80500760

素因数分解:

$2^3\times 5^1\times {\mathrm{2012519}}^1$

素因数の和:2012530

約数の個数: 16

約数和(自身を含む): 181126800

約数和(自身を除く): 100626040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012519, 4025038, 8050076, 10062595, 16100152, 20125190, 40250380, 80500760]

約数ペア:

[(1, 80500760), (2, 40250380), (4, 20125190), (5, 16100152), (8, 10062595), (10, 8050076), (20, 4025038), (40, 2012519)]