15845780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11159}}^1$

素因数の和:11239

約数の個数: 24

約数和(自身を含む): 33747840

約数和(自身を除く): 17902060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11159, 22318, 44636, 55795, 111590, 223180, 792289, 1584578, 3169156, 3961445, 7922890, 15845780]

約数ペア:

[(1, 15845780), (2, 7922890), (4, 3961445), (5, 3169156), (10, 1584578), (20, 792289), (71, 223180), (142, 111590), (284, 55795), (355, 44636), (710, 22318), (1420, 11159)]