80488640

素因数分解:

$2^6\times 5^1\times {\mathrm{251527}}^1$

素因数の和:251544

約数の個数: 28

約数和(自身を含む): 191664336

約数和(自身を除く): 111175696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251527, 503054, 1006108, 1257635, 2012216, 2515270, 4024432, 5030540, 8048864, 10061080, 16097728, 20122160, 40244320, 80488640]

約数ペア:

[(1, 80488640), (2, 40244320), (4, 20122160), (5, 16097728), (8, 10061080), (10, 8048864), (16, 5030540), (20, 4024432), (32, 2515270), (40, 2012216), (64, 1257635), (80, 1006108), (160, 503054), (320, 251527)]