87671680

素因数分解:

$2^7\times 5^1\times {\mathrm{136987}}^1$

素因数の和:137006

約数の個数: 32

約数和(自身を含む): 209591640

約数和(自身を除く): 121919960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 136987, 273974, 547948, 684935, 1095896, 1369870, 2191792, 2739740, 4383584, 5479480, 8767168, 10958960, 17534336, 21917920, 43835840, 87671680]

約数ペア:

[(1, 87671680), (2, 43835840), (4, 21917920), (5, 17534336), (8, 10958960), (10, 8767168), (16, 5479480), (20, 4383584), (32, 2739740), (40, 2191792), (64, 1369870), (80, 1095896), (128, 684935), (160, 547948), (320, 273974), (640, 136987)]