40345090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139121}}^1$

素因数の和:139157

約数の個数: 16

約数和(自身を含む): 75125880

約数和(自身を除く): 34780790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 139121, 278242, 695605, 1391210, 4034509, 8069018, 20172545, 40345090]

約数ペア:

[(1, 40345090), (2, 20172545), (5, 8069018), (10, 4034509), (29, 1391210), (58, 695605), (145, 278242), (290, 139121)]