25030040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89393}}^1$

素因数の和:89411

約数の個数: 32

約数和(自身を含む): 64363680

約数和(自身を除く): 39333640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89393, 178786, 357572, 446965, 625751, 715144, 893930, 1251502, 1787860, 2503004, 3128755, 3575720, 5006008, 6257510, 12515020, 25030040]

約数ペア:

[(1, 25030040), (2, 12515020), (4, 6257510), (5, 5006008), (7, 3575720), (8, 3128755), (10, 2503004), (14, 1787860), (20, 1251502), (28, 893930), (35, 715144), (40, 625751), (56, 446965), (70, 357572), (140, 178786), (280, 89393)]