25917640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 67196160

約数和(自身を除く): 41278520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 613, 755, 1057, 1208, 1226, 1510, 2114, 2452, 3020, 3065, 4228, 4291, 4904, 5285, 6040, 6130, 8456, 8582, 10570, 12260, 17164, 21140, 21455, 24520, 34328, 42280, 42910, 85820, 92563, 171640, 185126, 370252, 462815, 647941, 740504, 925630, 1295882, 1851260, 2591764, 3239705, 3702520, 5183528, 6479410, 12958820, 25917640]

約数ペア:

[(1, 25917640), (2, 12958820), (4, 6479410), (5, 5183528), (7, 3702520), (8, 3239705), (10, 2591764), (14, 1851260), (20, 1295882), (28, 925630), (35, 740504), (40, 647941), (56, 462815), (70, 370252), (140, 185126), (151, 171640), (280, 92563), (302, 85820), (604, 42910), (613, 42280), (755, 34328), (1057, 24520), (1208, 21455), (1226, 21140), (1510, 17164), (2114, 12260), (2452, 10570), (3020, 8582), (3065, 8456), (4228, 6130), (4291, 6040), (4904, 5285)]