72701080

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4217}}^1$

素因数の和:4659

約数の個数: 32

約数和(自身を含む): 163995840

約数和(自身を除く): 91294760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4217, 4310, 8434, 8620, 16868, 17240, 21085, 33736, 42170, 84340, 168680, 1817527, 3635054, 7270108, 9087635, 14540216, 18175270, 36350540, 72701080]

約数ペア:

[(1, 72701080), (2, 36350540), (4, 18175270), (5, 14540216), (8, 9087635), (10, 7270108), (20, 3635054), (40, 1817527), (431, 168680), (862, 84340), (1724, 42170), (2155, 33736), (3448, 21085), (4217, 17240), (4310, 16868), (8434, 8620)]