25649480

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2683}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 57974400

約数和(自身を除く): 32324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2683, 4780, 5366, 9560, 10732, 13415, 21464, 26830, 53660, 107320, 641237, 1282474, 2564948, 3206185, 5129896, 6412370, 12824740, 25649480]

約数ペア:

[(1, 25649480), (2, 12824740), (4, 6412370), (5, 5129896), (8, 3206185), (10, 2564948), (20, 1282474), (40, 641237), (239, 107320), (478, 53660), (956, 26830), (1195, 21464), (1912, 13415), (2390, 10732), (2683, 9560), (4780, 5366)]