86138620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{60661}}^1$

素因数の和:60741

約数の個数: 24

約数和(自身を含む): 183441888

約数和(自身を除く): 97303268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 60661, 121322, 242644, 303305, 606610, 1213220, 4306931, 8613862, 17227724, 21534655, 43069310, 86138620]

約数ペア:

[(1, 86138620), (2, 43069310), (4, 21534655), (5, 17227724), (10, 8613862), (20, 4306931), (71, 1213220), (142, 606610), (284, 303305), (355, 242644), (710, 121322), (1420, 60661)]