69981880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56437}}^1$

素因数の和:56479

約数の個数: 32

約数和(自身を含む): 162541440

約数和(自身を除く): 92559560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 56437, 112874, 225748, 282185, 451496, 564370, 1128740, 1749547, 2257480, 3499094, 6998188, 8747735, 13996376, 17495470, 34990940, 69981880]

約数ペア:

[(1, 69981880), (2, 34990940), (4, 17495470), (5, 13996376), (8, 8747735), (10, 6998188), (20, 3499094), (31, 2257480), (40, 1749547), (62, 1128740), (124, 564370), (155, 451496), (248, 282185), (310, 225748), (620, 112874), (1240, 56437)]