11571920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1831}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 27260160

約数和(自身を除く): 15688240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 1831, 3160, 3662, 6320, 7324, 9155, 14648, 18310, 29296, 36620, 73240, 144649, 146480, 289298, 578596, 723245, 1157192, 1446490, 2314384, 2892980, 5785960, 11571920]

約数ペア:

[(1, 11571920), (2, 5785960), (4, 2892980), (5, 2314384), (8, 1446490), (10, 1157192), (16, 723245), (20, 578596), (40, 289298), (79, 146480), (80, 144649), (158, 73240), (316, 36620), (395, 29296), (632, 18310), (790, 14648), (1264, 9155), (1580, 7324), (1831, 6320), (3160, 3662)]