65087960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{232457}}^1$

素因数の和:232475

約数の個数: 32

約数和(自身を含む): 167369760

約数和(自身を除く): 102281800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 232457, 464914, 929828, 1162285, 1627199, 1859656, 2324570, 3254398, 4649140, 6508796, 8135995, 9298280, 13017592, 16271990, 32543980, 65087960]

約数ペア:

[(1, 65087960), (2, 32543980), (4, 16271990), (5, 13017592), (7, 9298280), (8, 8135995), (10, 6508796), (14, 4649140), (20, 3254398), (28, 2324570), (35, 1859656), (40, 1627199), (56, 1162285), (70, 929828), (140, 464914), (280, 232457)]