25555792

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 51246720

約数和(自身を除く): 25690928

約数列:

[1, 2, 4, 8, 16, 41, 82, 163, 164, 239, 326, 328, 478, 652, 656, 956, 1304, 1912, 2608, 3824, 6683, 9799, 13366, 19598, 26732, 38957, 39196, 53464, 77914, 78392, 106928, 155828, 156784, 311656, 623312, 1597237, 3194474, 6388948, 12777896, 25555792]

約数ペア:

[(1, 25555792), (2, 12777896), (4, 6388948), (8, 3194474), (16, 1597237), (41, 623312), (82, 311656), (163, 156784), (164, 155828), (239, 106928), (326, 78392), (328, 77914), (478, 53464), (652, 39196), (656, 38957), (956, 26732), (1304, 19598), (1912, 13366), (2608, 9799), (3824, 6683)]