2118049375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3677

約数の個数: 40

約数和(自身を含む): 2890162352

約数和(自身を除く): 772112977

約数列:

[1, 5, 13, 25, 65, 73, 125, 325, 365, 625, 949, 1625, 1825, 3571, 4745, 8125, 9125, 17855, 23725, 45625, 46423, 89275, 118625, 232115, 260683, 446375, 593125, 1160575, 1303415, 2231875, 3388879, 5802875, 6517075, 16944395, 29014375, 32585375, 84721975, 162926875, 423609875, 2118049375]

約数ペア:

[(1, 2118049375), (5, 423609875), (13, 162926875), (25, 84721975), (65, 32585375), (73, 29014375), (125, 16944395), (325, 6517075), (365, 5802875), (625, 3388879), (949, 2231875), (1625, 1303415), (1825, 1160575), (3571, 593125), (4745, 446375), (8125, 260683), (9125, 232115), (17855, 118625), (23725, 89275), (45625, 46423)]