66201280

素因数分解:

$2^6\times 5^1\times {\mathrm{206879}}^1$

素因数の和:206896

約数の個数: 28

約数和(自身を含む): 157642560

約数和(自身を除く): 91441280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 206879, 413758, 827516, 1034395, 1655032, 2068790, 3310064, 4137580, 6620128, 8275160, 13240256, 16550320, 33100640, 66201280]

約数ペア:

[(1, 66201280), (2, 33100640), (4, 16550320), (5, 13240256), (8, 8275160), (10, 6620128), (16, 4137580), (20, 3310064), (32, 2068790), (40, 1655032), (64, 1034395), (80, 827516), (160, 413758), (320, 206879)]