28445950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 57652560

約数和(自身を除く): 29206610

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 325, 409, 535, 650, 818, 1070, 1391, 2045, 2675, 2782, 4090, 5317, 5350, 6955, 10225, 10634, 13910, 20450, 26585, 34775, 43763, 53170, 69550, 87526, 132925, 218815, 265850, 437630, 568919, 1094075, 1137838, 2188150, 2844595, 5689190, 14222975, 28445950]

約数ペア:

[(1, 28445950), (2, 14222975), (5, 5689190), (10, 2844595), (13, 2188150), (25, 1137838), (26, 1094075), (50, 568919), (65, 437630), (107, 265850), (130, 218815), (214, 132925), (325, 87526), (409, 69550), (535, 53170), (650, 43763), (818, 34775), (1070, 26585), (1391, 20450), (2045, 13910), (2675, 10634), (2782, 10225), (4090, 6955), (5317, 5350)]