72638960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53411}}^1$

素因数の和:53441

約数の個数: 40

約数和(自身を含む): 178823376

約数和(自身を除く): 106184416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53411, 106822, 213644, 267055, 427288, 534110, 854576, 907987, 1068220, 1815974, 2136440, 3631948, 4272880, 4539935, 7263896, 9079870, 14527792, 18159740, 36319480, 72638960]

約数ペア:

[(1, 72638960), (2, 36319480), (4, 18159740), (5, 14527792), (8, 9079870), (10, 7263896), (16, 4539935), (17, 4272880), (20, 3631948), (34, 2136440), (40, 1815974), (68, 1068220), (80, 907987), (85, 854576), (136, 534110), (170, 427288), (272, 267055), (340, 213644), (680, 106822), (1360, 53411)]