87824570

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 160736400

約数和(自身を除く): 72911830

約数列:

[1, 2, 5, 10, 109, 197, 218, 394, 409, 545, 818, 985, 1090, 1970, 2045, 4090, 21473, 42946, 44581, 80573, 89162, 107365, 161146, 214730, 222905, 402865, 445810, 805730, 8782457, 17564914, 43912285, 87824570]

約数ペア:

[(1, 87824570), (2, 43912285), (5, 17564914), (10, 8782457), (109, 805730), (197, 445810), (218, 402865), (394, 222905), (409, 214730), (545, 161146), (818, 107365), (985, 89162), (1090, 80573), (1970, 44581), (2045, 42946), (4090, 21473)]