31868920

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1153}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 71871120

約数和(自身を除く): 40002200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1153, 1382, 2306, 2764, 3455, 4612, 5528, 5765, 6910, 9224, 11530, 13820, 23060, 27640, 46120, 796723, 1593446, 3186892, 3983615, 6373784, 7967230, 15934460, 31868920]

約数ペア:

[(1, 31868920), (2, 15934460), (4, 7967230), (5, 6373784), (8, 3983615), (10, 3186892), (20, 1593446), (40, 796723), (691, 46120), (1153, 27640), (1382, 23060), (2306, 13820), (2764, 11530), (3455, 9224), (4612, 6910), (5528, 5765)]