521196680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{115309}}^1$

素因数の和:115433

約数の個数: 32

約数和(自身を含む): 1183080600

約数和(自身を除く): 661883920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 115309, 230618, 461236, 576545, 922472, 1153090, 2306180, 4612360, 13029917, 26059834, 52119668, 65149585, 104239336, 130299170, 260598340, 521196680]

約数ペア:

[(1, 521196680), (2, 260598340), (4, 130299170), (5, 104239336), (8, 65149585), (10, 52119668), (20, 26059834), (40, 13029917), (113, 4612360), (226, 2306180), (452, 1153090), (565, 922472), (904, 576545), (1130, 461236), (2260, 230618), (4520, 115309)]