16157540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 22960924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 881, 917, 1310, 1762, 1834, 2620, 3524, 3668, 4405, 4585, 6167, 8810, 9170, 12334, 17620, 18340, 24668, 30835, 61670, 115411, 123340, 230822, 461644, 577055, 807877, 1154110, 1615754, 2308220, 3231508, 4039385, 8078770, 16157540]

約数ペア:

[(1, 16157540), (2, 8078770), (4, 4039385), (5, 3231508), (7, 2308220), (10, 1615754), (14, 1154110), (20, 807877), (28, 577055), (35, 461644), (70, 230822), (131, 123340), (140, 115411), (262, 61670), (524, 30835), (655, 24668), (881, 18340), (917, 17620), (1310, 12334), (1762, 9170), (1834, 8810), (2620, 6167), (3524, 4585), (3668, 4405)]