156953262040

素因数分解:

$2^3\times 5^1\times {\mathrm{20707}}^1\times {\mathrm{189493}}^1$

素因数の和:210211

約数の個数: 32

約数和(自身を含む): 353163757680

約数和(自身を除く): 196210495640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20707, 41414, 82828, 103535, 165656, 189493, 207070, 378986, 414140, 757972, 828280, 947465, 1515944, 1894930, 3789860, 7579720, 3923831551, 7847663102, 15695326204, 19619157755, 31390652408, 39238315510, 78476631020, 156953262040]

約数ペア:

[(1, 156953262040), (2, 78476631020), (4, 39238315510), (5, 31390652408), (8, 19619157755), (10, 15695326204), (20, 7847663102), (40, 3923831551), (20707, 7579720), (41414, 3789860), (82828, 1894930), (103535, 1515944), (165656, 947465), (189493, 828280), (207070, 757972), (378986, 414140)]