2100430075

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{4099}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 2643680000

約数和(自身を除く): 543249925

約数列:

[1, 5, 25, 103, 199, 515, 995, 2575, 4099, 4975, 20495, 20497, 102475, 102485, 422197, 512425, 815701, 2110985, 4078505, 10554925, 20392525, 84017203, 420086015, 2100430075]

約数ペア:

[(1, 2100430075), (5, 420086015), (25, 84017203), (103, 20392525), (199, 10554925), (515, 4078505), (995, 2110985), (2575, 815701), (4099, 512425), (4975, 422197), (20495, 102485), (20497, 102475)]