12571240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28571}}^1$

素因数の和:28593

約数の個数: 32

約数和(自身を含む): 30857760

約数和(自身を除く): 18286520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28571, 57142, 114284, 142855, 228568, 285710, 314281, 571420, 628562, 1142840, 1257124, 1571405, 2514248, 3142810, 6285620, 12571240]

約数ペア:

[(1, 12571240), (2, 6285620), (4, 3142810), (5, 2514248), (8, 1571405), (10, 1257124), (11, 1142840), (20, 628562), (22, 571420), (40, 314281), (44, 285710), (55, 228568), (88, 142855), (110, 114284), (220, 57142), (440, 28571)]