85255780

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6449}}^1$

素因数の和:7119

約数の個数: 24

約数和(自身を含む): 179335800

約数和(自身を除く): 94080020

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6449, 6610, 12898, 13220, 25796, 32245, 64490, 128980, 4262789, 8525578, 17051156, 21313945, 42627890, 85255780]

約数ペア:

[(1, 85255780), (2, 42627890), (4, 21313945), (5, 17051156), (10, 8525578), (20, 4262789), (661, 128980), (1322, 64490), (2644, 32245), (3305, 25796), (6449, 13220), (6610, 12898)]