25034920

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1021}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 56475720

約数和(自身を除く): 31440800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1021, 1226, 2042, 2452, 3065, 4084, 4904, 5105, 6130, 8168, 10210, 12260, 20420, 24520, 40840, 625873, 1251746, 2503492, 3129365, 5006984, 6258730, 12517460, 25034920]

約数ペア:

[(1, 25034920), (2, 12517460), (4, 6258730), (5, 5006984), (8, 3129365), (10, 2503492), (20, 1251746), (40, 625873), (613, 40840), (1021, 24520), (1226, 20420), (2042, 12260), (2452, 10210), (3065, 8168), (4084, 6130), (4904, 5105)]