25906238720

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{2851}}^1$

素因数の和:3132

約数の個数: 144

約数和(自身を含む): 64357547520

約数和(自身を除く): 38451308800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 229, 248, 256, 310, 320, 458, 496, 620, 640, 916, 992, 1145, 1240, 1280, 1832, 1984, 2290, 2480, 2851, 3664, 3968, 4580, 4960, 5702, 7099, 7328, 7936, 9160, 9920, 11404, 14198, 14255, 14656, 18320, 19840, 22808, 28396, 28510, 29312, 35495, 36640, 39680, 45616, 56792, 57020, 58624, 70990, 73280, 88381, 91232, 113584, 114040, 141980, 146560, 176762, 182464, 227168, 228080, 283960, 293120, 353524, 364928, 441905, 454336, 456160, 567920, 652879, 707048, 729856, 883810, 908672, 912320, 1135840, 1305758, 1414096, 1767620, 1817344, 1824640, 2271680, 2611516, 2828192, 3264395, 3535240, 3649280, 4543360, 5223032, 5656384, 6528790, 7070480, 9086720, 10446064, 11312768, 13057580, 14140960, 20239249, 20892128, 22625536, 26115160, 28281920, 40478498, 41784256, 52230320, 56563840, 80956996, 83568512, 101196245, 104460640, 113127680, 161913992, 167137024, 202392490, 208921280, 323827984, 404784980, 417842560, 647655968, 809569960, 835685120, 1295311936, 1619139920, 2590623872, 3238279840, 5181247744, 6476559680, 12953119360, 25906238720]

約数ペア:

[(1, 25906238720), (2, 12953119360), (4, 6476559680), (5, 5181247744), (8, 3238279840), (10, 2590623872), (16, 1619139920), (20, 1295311936), (31, 835685120), (32, 809569960), (40, 647655968), (62, 417842560), (64, 404784980), (80, 323827984), (124, 208921280), (128, 202392490), (155, 167137024), (160, 161913992), (229, 113127680), (248, 104460640), (256, 101196245), (310, 83568512), (320, 80956996), (458, 56563840), (496, 52230320), (620, 41784256), (640, 40478498), (916, 28281920), (992, 26115160), (1145, 22625536), (1240, 20892128), (1280, 20239249), (1832, 14140960), (1984, 13057580), (2290, 11312768), (2480, 10446064), (2851, 9086720), (3664, 7070480), (3968, 6528790), (4580, 5656384), (4960, 5223032), (5702, 4543360), (7099, 3649280), (7328, 3535240), (7936, 3264395), (9160, 2828192), (9920, 2611516), (11404, 2271680), (14198, 1824640), (14255, 1817344), (14656, 1767620), (18320, 1414096), (19840, 1305758), (22808, 1135840), (28396, 912320), (28510, 908672), (29312, 883810), (35495, 729856), (36640, 707048), (39680, 652879), (45616, 567920), (56792, 456160), (57020, 454336), (58624, 441905), (70990, 364928), (73280, 353524), (88381, 293120), (91232, 283960), (113584, 228080), (114040, 227168), (141980, 182464), (146560, 176762)]