80656436

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{7043}}^1$

素因数の和:7463

約数の個数: 24

約数和(自身を含む): 161730240

約数和(自身を除く): 81073804

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 7043, 11452, 14086, 28172, 49301, 98602, 197204, 2880587, 5761174, 11522348, 20164109, 40328218, 80656436]

約数ペア:

[(1, 80656436), (2, 40328218), (4, 20164109), (7, 11522348), (14, 5761174), (28, 2880587), (409, 197204), (818, 98602), (1636, 49301), (2863, 28172), (5726, 14086), (7043, 11452)]