28236290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 52965360

約数和(自身を除く): 24729070

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 1129, 2258, 2501, 5002, 5645, 11290, 12505, 25010, 46289, 68869, 92578, 137738, 231445, 344345, 462890, 688690, 2823629, 5647258, 14118145, 28236290]

約数ペア:

[(1, 28236290), (2, 14118145), (5, 5647258), (10, 2823629), (41, 688690), (61, 462890), (82, 344345), (122, 231445), (205, 137738), (305, 92578), (410, 68869), (610, 46289), (1129, 25010), (2258, 12505), (2501, 11290), (5002, 5645)]