71388140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123083}}^1$

素因数の和:123121

約数の個数: 24

約数和(自身を含む): 155085840

約数和(自身を除く): 83697700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123083, 246166, 492332, 615415, 1230830, 2461660, 3569407, 7138814, 14277628, 17847035, 35694070, 71388140]

約数ペア:

[(1, 71388140), (2, 35694070), (4, 17847035), (5, 14277628), (10, 7138814), (20, 3569407), (29, 2461660), (58, 1230830), (116, 615415), (145, 492332), (290, 246166), (580, 123083)]