139963760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56437}}^1$

素因数の和:56481

約数の個数: 40

約数和(自身を含む): 335918976

約数和(自身を除く): 195955216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56437, 112874, 225748, 282185, 451496, 564370, 902992, 1128740, 1749547, 2257480, 3499094, 4514960, 6998188, 8747735, 13996376, 17495470, 27992752, 34990940, 69981880, 139963760]

約数ペア:

[(1, 139963760), (2, 69981880), (4, 34990940), (5, 27992752), (8, 17495470), (10, 13996376), (16, 8747735), (20, 6998188), (31, 4514960), (40, 3499094), (62, 2257480), (80, 1749547), (124, 1128740), (155, 902992), (248, 564370), (310, 451496), (496, 282185), (620, 225748), (1240, 112874), (2480, 56437)]