259586560

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3271}}^1$

素因数の和:3325

約数の個数: 80

約数和(自身を含む): 642673152

約数和(自身を除く): 383086592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3271, 3968, 4960, 6542, 7936, 9920, 13084, 15872, 16355, 19840, 26168, 32710, 39680, 52336, 65420, 79360, 101401, 104672, 130840, 202802, 209344, 261680, 405604, 418688, 507005, 523360, 811208, 837376, 1014010, 1046720, 1622416, 1674752, 2028020, 2093440, 3244832, 4056040, 4186880, 6489664, 8112080, 8373760, 12979328, 16224160, 25958656, 32448320, 51917312, 64896640, 129793280, 259586560]

約数ペア:

[(1, 259586560), (2, 129793280), (4, 64896640), (5, 51917312), (8, 32448320), (10, 25958656), (16, 16224160), (20, 12979328), (31, 8373760), (32, 8112080), (40, 6489664), (62, 4186880), (64, 4056040), (80, 3244832), (124, 2093440), (128, 2028020), (155, 1674752), (160, 1622416), (248, 1046720), (256, 1014010), (310, 837376), (320, 811208), (496, 523360), (512, 507005), (620, 418688), (640, 405604), (992, 261680), (1240, 209344), (1280, 202802), (1984, 130840), (2480, 104672), (2560, 101401), (3271, 79360), (3968, 65420), (4960, 52336), (6542, 39680), (7936, 32710), (9920, 26168), (13084, 19840), (15872, 16355)]