521103280

素因数分解:

$2^4\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{5077}}^1$

素因数の和:6373

約数の個数: 40

約数和(自身を含む): 1212748272

約数和(自身を除く): 691644992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1283, 2566, 5077, 5132, 6415, 10154, 10264, 12830, 20308, 20528, 25385, 25660, 40616, 50770, 51320, 81232, 101540, 102640, 203080, 406160, 6513791, 13027582, 26055164, 32568955, 52110328, 65137910, 104220656, 130275820, 260551640, 521103280]

約数ペア:

[(1, 521103280), (2, 260551640), (4, 130275820), (5, 104220656), (8, 65137910), (10, 52110328), (16, 32568955), (20, 26055164), (40, 13027582), (80, 6513791), (1283, 406160), (2566, 203080), (5077, 102640), (5132, 101540), (6415, 81232), (10154, 51320), (10264, 50770), (12830, 40616), (20308, 25660), (20528, 25385)]