66169280

素因数分解:

$2^6\times 5^1\times {\mathrm{206779}}^1$

素因数の和:206796

約数の個数: 28

約数和(自身を含む): 157566360

約数和(自身を除く): 91397080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 206779, 413558, 827116, 1033895, 1654232, 2067790, 3308464, 4135580, 6616928, 8271160, 13233856, 16542320, 33084640, 66169280]

約数ペア:

[(1, 66169280), (2, 33084640), (4, 16542320), (5, 13233856), (8, 8271160), (10, 6616928), (16, 4135580), (20, 3308464), (32, 2067790), (40, 1654232), (64, 1033895), (80, 827116), (160, 413558), (320, 206779)]