131402020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{67733}}^1$

素因数の和:67839

約数の個数: 24

約数和(自身を含む): 278793144

約数和(自身を除く): 147391124

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 67733, 135466, 270932, 338665, 677330, 1354660, 6570101, 13140202, 26280404, 32850505, 65701010, 131402020]

約数ペア:

[(1, 131402020), (2, 65701010), (4, 32850505), (5, 26280404), (10, 13140202), (20, 6570101), (97, 1354660), (194, 677330), (388, 338665), (485, 270932), (970, 135466), (1940, 67733)]