25410280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 65882880

約数和(自身を除く): 40472600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 601, 604, 755, 1057, 1202, 1208, 1510, 2114, 2404, 3005, 3020, 4207, 4228, 4808, 5285, 6010, 6040, 8414, 8456, 10570, 12020, 16828, 21035, 21140, 24040, 33656, 42070, 42280, 84140, 90751, 168280, 181502, 363004, 453755, 635257, 726008, 907510, 1270514, 1815020, 2541028, 3176285, 3630040, 5082056, 6352570, 12705140, 25410280]

約数ペア:

[(1, 25410280), (2, 12705140), (4, 6352570), (5, 5082056), (7, 3630040), (8, 3176285), (10, 2541028), (14, 1815020), (20, 1270514), (28, 907510), (35, 726008), (40, 635257), (56, 453755), (70, 363004), (140, 181502), (151, 168280), (280, 90751), (302, 84140), (601, 42280), (604, 42070), (755, 33656), (1057, 24040), (1202, 21140), (1208, 21035), (1510, 16828), (2114, 12020), (2404, 10570), (3005, 8456), (3020, 8414), (4207, 6040), (4228, 6010), (4808, 5285)]