81771340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584081}}^1$

素因数の和:584097

約数の個数: 24

約数和(自身を含む): 196251552

約数和(自身を除く): 114480212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584081, 1168162, 2336324, 2920405, 4088567, 5840810, 8177134, 11681620, 16354268, 20442835, 40885670, 81771340]

約数ペア:

[(1, 81771340), (2, 40885670), (4, 20442835), (5, 16354268), (7, 11681620), (10, 8177134), (14, 5840810), (20, 4088567), (28, 2920405), (35, 2336324), (70, 1168162), (140, 584081)]