51530375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1716

約数の個数: 32

約数和(自身を含む): 72945600

約数和(自身を除く): 21415225

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 1235, 1625, 1669, 2375, 6175, 8345, 21697, 30875, 31711, 41725, 108485, 158555, 208625, 412243, 542425, 792775, 2061215, 2712125, 3963875, 10306075, 51530375]

約数ペア:

[(1, 51530375), (5, 10306075), (13, 3963875), (19, 2712125), (25, 2061215), (65, 792775), (95, 542425), (125, 412243), (247, 208625), (325, 158555), (475, 108485), (1235, 41725), (1625, 31711), (1669, 30875), (2375, 21697), (6175, 8345)]