71206340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86837}}^1$

素因数の和:86887

約数の個数: 24

約数和(自身を含む): 153182232

約数和(自身を除く): 81975892

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86837, 173674, 347348, 434185, 868370, 1736740, 3560317, 7120634, 14241268, 17801585, 35603170, 71206340]

約数ペア:

[(1, 71206340), (2, 35603170), (4, 17801585), (5, 14241268), (10, 7120634), (20, 3560317), (41, 1736740), (82, 868370), (164, 434185), (205, 347348), (410, 173674), (820, 86837)]