89191340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20551}}^1$

素因数の和:20598

約数の個数: 48

約数和(自身を含む): 220975104

約数和(自身を除く): 131783764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20551, 41102, 82204, 102755, 143857, 205510, 287714, 411020, 575428, 637081, 719285, 1274162, 1438570, 2548324, 2877140, 3185405, 4459567, 6370810, 8919134, 12741620, 17838268, 22297835, 44595670, 89191340]

約数ペア:

[(1, 89191340), (2, 44595670), (4, 22297835), (5, 17838268), (7, 12741620), (10, 8919134), (14, 6370810), (20, 4459567), (28, 3185405), (31, 2877140), (35, 2548324), (62, 1438570), (70, 1274162), (124, 719285), (140, 637081), (155, 575428), (217, 411020), (310, 287714), (434, 205510), (620, 143857), (868, 102755), (1085, 82204), (2170, 41102), (4340, 20551)]