890078960

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{36241}}^1$

素因数の和:36561

約数の個数: 40

約数和(自身を含む): 2076231696

約数和(自身を除く): 1186152736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 24560, 36241, 72482, 144964, 181205, 289928, 362410, 579856, 724820, 1449640, 2899280, 11125987, 22251974, 44503948, 55629935, 89007896, 111259870, 178015792, 222519740, 445039480, 890078960]

約数ペア:

[(1, 890078960), (2, 445039480), (4, 222519740), (5, 178015792), (8, 111259870), (10, 89007896), (16, 55629935), (20, 44503948), (40, 22251974), (80, 11125987), (307, 2899280), (614, 1449640), (1228, 724820), (1535, 579856), (2456, 362410), (3070, 289928), (4912, 181205), (6140, 144964), (12280, 72482), (24560, 36241)]