40808260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11273}}^1$

素因数の和:11463

約数の個数: 24

約数和(自身を含む): 86178456

約数和(自身を除く): 45370196

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 11273, 22546, 45092, 56365, 112730, 225460, 2040413, 4080826, 8161652, 10202065, 20404130, 40808260]

約数ペア:

[(1, 40808260), (2, 20404130), (4, 10202065), (5, 8161652), (10, 4080826), (20, 2040413), (181, 225460), (362, 112730), (724, 56365), (905, 45092), (1810, 22546), (3620, 11273)]