66815360

素因数分解:

$2^7\times 5^1\times {\mathrm{104399}}^1$

素因数の和:104418

約数の個数: 32

約数和(自身を含む): 159732000

約数和(自身を除く): 92916640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 104399, 208798, 417596, 521995, 835192, 1043990, 1670384, 2087980, 3340768, 4175960, 6681536, 8351920, 13363072, 16703840, 33407680, 66815360]

約数ペア:

[(1, 66815360), (2, 33407680), (4, 16703840), (5, 13363072), (8, 8351920), (10, 6681536), (16, 4175960), (20, 3340768), (32, 2087980), (40, 1670384), (64, 1043990), (80, 835192), (128, 521995), (160, 417596), (320, 208798), (640, 104399)]