13375360

素因数分解:

$2^7\times 5^1\times {\mathrm{20899}}^1$

素因数の和:20918

約数の個数: 32

約数和(自身を含む): 31977000

約数和(自身を除く): 18601640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 417980, 668768, 835960, 1337536, 1671920, 2675072, 3343840, 6687680, 13375360]

約数ペア:

[(1, 13375360), (2, 6687680), (4, 3343840), (5, 2675072), (8, 1671920), (10, 1337536), (16, 835960), (20, 668768), (32, 417980), (40, 334384), (64, 208990), (80, 167192), (128, 104495), (160, 83596), (320, 41798), (640, 20899)]