72318160

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3217}}^1$

素因数の和:3511

約数の個数: 40

約数和(自身を含む): 168790536

約数和(自身を除く): 96472376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 3217, 4496, 5620, 6434, 11240, 12868, 16085, 22480, 25736, 32170, 51472, 64340, 128680, 257360, 903977, 1807954, 3615908, 4519885, 7231816, 9039770, 14463632, 18079540, 36159080, 72318160]

約数ペア:

[(1, 72318160), (2, 36159080), (4, 18079540), (5, 14463632), (8, 9039770), (10, 7231816), (16, 4519885), (20, 3615908), (40, 1807954), (80, 903977), (281, 257360), (562, 128680), (1124, 64340), (1405, 51472), (2248, 32170), (2810, 25736), (3217, 22480), (4496, 16085), (5620, 12868), (6434, 11240)]