51742720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 128943360

約数和(自身を除く): 77200640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 163, 248, 256, 310, 320, 326, 496, 512, 620, 640, 652, 815, 992, 1024, 1240, 1280, 1304, 1630, 1984, 2048, 2480, 2560, 2608, 3260, 3968, 4960, 5053, 5120, 5216, 6520, 7936, 9920, 10106, 10240, 10432, 13040, 15872, 19840, 20212, 20864, 25265, 26080, 31744, 39680, 40424, 41728, 50530, 52160, 63488, 79360, 80848, 83456, 101060, 104320, 158720, 161696, 166912, 202120, 208640, 317440, 323392, 333824, 404240, 417280, 646784, 808480, 834560, 1293568, 1616960, 1669120, 2587136, 3233920, 5174272, 6467840, 10348544, 12935680, 25871360, 51742720]

約数ペア:

[(1, 51742720), (2, 25871360), (4, 12935680), (5, 10348544), (8, 6467840), (10, 5174272), (16, 3233920), (20, 2587136), (31, 1669120), (32, 1616960), (40, 1293568), (62, 834560), (64, 808480), (80, 646784), (124, 417280), (128, 404240), (155, 333824), (160, 323392), (163, 317440), (248, 208640), (256, 202120), (310, 166912), (320, 161696), (326, 158720), (496, 104320), (512, 101060), (620, 83456), (640, 80848), (652, 79360), (815, 63488), (992, 52160), (1024, 50530), (1240, 41728), (1280, 40424), (1304, 39680), (1630, 31744), (1984, 26080), (2048, 25265), (2480, 20864), (2560, 20212), (2608, 19840), (3260, 15872), (3968, 13040), (4960, 10432), (5053, 10240), (5120, 10106), (5216, 9920), (6520, 7936)]