51400375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 70656768

約数和(自身を除く): 19256393

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 611, 673, 1175, 1625, 3055, 3365, 5875, 8749, 15275, 16825, 31631, 43745, 76375, 84125, 158155, 218725, 411203, 790775, 1093625, 2056015, 3953875, 10280075, 51400375]

約数ペア:

[(1, 51400375), (5, 10280075), (13, 3953875), (25, 2056015), (47, 1093625), (65, 790775), (125, 411203), (235, 218725), (325, 158155), (611, 84125), (673, 76375), (1175, 43745), (1625, 31631), (3055, 16825), (3365, 15275), (5875, 8749)]