71772640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26387}}^1$

素因数の和:26419

約数の個数: 48

約数和(自身を含む): 179543952

約数和(自身を除く): 107771312

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26387, 52774, 105548, 131935, 211096, 263870, 422192, 448579, 527740, 844384, 897158, 1055480, 1794316, 2110960, 2242895, 3588632, 4221920, 4485790, 7177264, 8971580, 14354528, 17943160, 35886320, 71772640]

約数ペア:

[(1, 71772640), (2, 35886320), (4, 17943160), (5, 14354528), (8, 8971580), (10, 7177264), (16, 4485790), (17, 4221920), (20, 3588632), (32, 2242895), (34, 2110960), (40, 1794316), (68, 1055480), (80, 897158), (85, 844384), (136, 527740), (160, 448579), (170, 422192), (272, 263870), (340, 211096), (544, 131935), (680, 105548), (1360, 52774), (2720, 26387)]