25609480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2897}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 65726640

約数和(自身を除く): 40117160

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2897, 4420, 5794, 8840, 11588, 14485, 23176, 28970, 37661, 49249, 57940, 75322, 98498, 115880, 150644, 188305, 196996, 246245, 301288, 376610, 393992, 492490, 640237, 753220, 984980, 1280474, 1506440, 1969960, 2560948, 3201185, 5121896, 6402370, 12804740, 25609480]

約数ペア:

[(1, 25609480), (2, 12804740), (4, 6402370), (5, 5121896), (8, 3201185), (10, 2560948), (13, 1969960), (17, 1506440), (20, 1280474), (26, 984980), (34, 753220), (40, 640237), (52, 492490), (65, 393992), (68, 376610), (85, 301288), (104, 246245), (130, 196996), (136, 188305), (170, 150644), (221, 115880), (260, 98498), (340, 75322), (442, 57940), (520, 49249), (680, 37661), (884, 28970), (1105, 23176), (1768, 14485), (2210, 11588), (2897, 8840), (4420, 5794)]