11512883960

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{223291}}^1$

素因数の和:224591

約数の個数: 32

約数和(自身を含む): 25924201200

約数和(自身を除く): 14411317240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 2578, 5156, 6445, 10312, 12890, 25780, 51560, 223291, 446582, 893164, 1116455, 1786328, 2232910, 4465820, 8931640, 287822099, 575644198, 1151288396, 1439110495, 2302576792, 2878220990, 5756441980, 11512883960]

約数ペア:

[(1, 11512883960), (2, 5756441980), (4, 2878220990), (5, 2302576792), (8, 1439110495), (10, 1151288396), (20, 575644198), (40, 287822099), (1289, 8931640), (2578, 4465820), (5156, 2232910), (6445, 1786328), (10312, 1116455), (12890, 893164), (25780, 446582), (51560, 223291)]