83644112840

素因数分解:

$2^3\times 5^1\times {\mathrm{2091102821}}^1$

素因数の和:2091102832

約数の個数: 16

約数和(自身を含む): 188199253980

約数和(自身を除く): 104555141140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2091102821, 4182205642, 8364411284, 10455514105, 16728822568, 20911028210, 41822056420, 83644112840]

約数ペア:

[(1, 83644112840), (2, 41822056420), (4, 20911028210), (5, 16728822568), (8, 10455514105), (10, 8364411284), (20, 4182205642), (40, 2091102821)]