79905160

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7109}}^1$

素因数の和:7401

約数の個数: 32

約数和(自身を含む): 180451800

約数和(自身を除く): 100546640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 7109, 11240, 14218, 28436, 35545, 56872, 71090, 142180, 284360, 1997629, 3995258, 7990516, 9988145, 15981032, 19976290, 39952580, 79905160]

約数ペア:

[(1, 79905160), (2, 39952580), (4, 19976290), (5, 15981032), (8, 9988145), (10, 7990516), (20, 3995258), (40, 1997629), (281, 284360), (562, 142180), (1124, 71090), (1405, 56872), (2248, 35545), (2810, 28436), (5620, 14218), (7109, 11240)]