5285240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 12065760

約数和(自身を除く): 6780520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1861, 2840, 3722, 7444, 9305, 14888, 18610, 37220, 74440, 132131, 264262, 528524, 660655, 1057048, 1321310, 2642620, 5285240]

約数ペア:

[(1, 5285240), (2, 2642620), (4, 1321310), (5, 1057048), (8, 660655), (10, 528524), (20, 264262), (40, 132131), (71, 74440), (142, 37220), (284, 18610), (355, 14888), (568, 9305), (710, 7444), (1420, 3722), (1861, 2840)]