204800830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{36637}}^1$

素因数の和:36700

約数の個数: 32

約数和(自身を含む): 406242144

約数和(自身を除く): 201441314

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 36637, 73274, 183185, 366370, 476281, 952562, 1575391, 2381405, 3150782, 4762810, 7876955, 15753910, 20480083, 40960166, 102400415, 204800830]

約数ペア:

[(1, 204800830), (2, 102400415), (5, 40960166), (10, 20480083), (13, 15753910), (26, 7876955), (43, 4762810), (65, 3150782), (86, 2381405), (130, 1575391), (215, 952562), (430, 476281), (559, 366370), (1118, 183185), (2795, 73274), (5590, 36637)]