89870740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{54139}}^1$

素因数の和:54231

約数の個数: 24

約数和(自身を含む): 191005920

約数和(自身を除く): 101135180

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 54139, 108278, 216556, 270695, 541390, 1082780, 4493537, 8987074, 17974148, 22467685, 44935370, 89870740]

約数ペア:

[(1, 89870740), (2, 44935370), (4, 22467685), (5, 17974148), (10, 8987074), (20, 4493537), (83, 1082780), (166, 541390), (332, 270695), (415, 216556), (830, 108278), (1660, 54139)]