28571240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13477}}^1$

素因数の和:13541

約数の個数: 32

約数和(自身を含む): 65503080

約数和(自身を除く): 36931840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13477, 26954, 53908, 67385, 107816, 134770, 269540, 539080, 714281, 1428562, 2857124, 3571405, 5714248, 7142810, 14285620, 28571240]

約数ペア:

[(1, 28571240), (2, 14285620), (4, 7142810), (5, 5714248), (8, 3571405), (10, 2857124), (20, 1428562), (40, 714281), (53, 539080), (106, 269540), (212, 134770), (265, 107816), (424, 67385), (530, 53908), (1060, 26954), (2120, 13477)]