173890040

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4793}}^1$

素因数の和:5711

約数の個数: 32

約数和(自身を含む): 391765680

約数和(自身を除く): 217875640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 3628, 4535, 4793, 7256, 9070, 9586, 18140, 19172, 23965, 36280, 38344, 47930, 95860, 191720, 4347251, 8694502, 17389004, 21736255, 34778008, 43472510, 86945020, 173890040]

約数ペア:

[(1, 173890040), (2, 86945020), (4, 43472510), (5, 34778008), (8, 21736255), (10, 17389004), (20, 8694502), (40, 4347251), (907, 191720), (1814, 95860), (3628, 47930), (4535, 38344), (4793, 36280), (7256, 23965), (9070, 19172), (9586, 18140)]