1571240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3571}}^1$

素因数の和:3593

約数の個数: 32

約数和(自身を含む): 3857760

約数和(自身を除く): 2286520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3571, 7142, 14284, 17855, 28568, 35710, 39281, 71420, 78562, 142840, 157124, 196405, 314248, 392810, 785620, 1571240]

約数ペア:

[(1, 1571240), (2, 785620), (4, 392810), (5, 314248), (8, 196405), (10, 157124), (11, 142840), (20, 78562), (22, 71420), (40, 39281), (44, 35710), (55, 28568), (88, 17855), (110, 14284), (220, 7142), (440, 3571)]