25557160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9081

約数の個数: 32

約数和(自身を含む): 58320000

約数和(自身を除く): 32762840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8999, 17998, 35996, 44995, 71992, 89990, 179980, 359960, 638929, 1277858, 2555716, 3194645, 5111432, 6389290, 12778580, 25557160]

約数ペア:

[(1, 25557160), (2, 12778580), (4, 6389290), (5, 5111432), (8, 3194645), (10, 2555716), (20, 1277858), (40, 638929), (71, 359960), (142, 179980), (284, 89990), (355, 71992), (568, 44995), (710, 35996), (1420, 17998), (2840, 8999)]