87289100

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{3221}}^1$

素因数の和:3506

約数の個数: 36

約数和(自身を含む): 190175328

約数和(自身を除く): 102886228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2710, 3221, 5420, 6442, 6775, 12884, 13550, 16105, 27100, 32210, 64420, 80525, 161050, 322100, 872891, 1745782, 3491564, 4364455, 8728910, 17457820, 21822275, 43644550, 87289100]

約数ペア:

[(1, 87289100), (2, 43644550), (4, 21822275), (5, 17457820), (10, 8728910), (20, 4364455), (25, 3491564), (50, 1745782), (100, 872891), (271, 322100), (542, 161050), (1084, 80525), (1355, 64420), (2710, 32210), (3221, 27100), (5420, 16105), (6442, 13550), (6775, 12884)]