40698620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28661}}^1$

素因数の和:28741

約数の個数: 24

約数和(自身を含む): 86673888

約数和(自身を除く): 45975268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28661, 57322, 114644, 143305, 286610, 573220, 2034931, 4069862, 8139724, 10174655, 20349310, 40698620]

約数ペア:

[(1, 40698620), (2, 20349310), (4, 10174655), (5, 8139724), (10, 4069862), (20, 2034931), (71, 573220), (142, 286610), (284, 143305), (355, 114644), (710, 57322), (1420, 28661)]