51960560

素因数分解:

$2^4\times 5^1\times {\mathrm{649507}}^1$

素因数の和:649520

約数の個数: 20

約数和(自身を含む): 120808488

約数和(自身を除く): 68847928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 649507, 1299014, 2598028, 3247535, 5196056, 6495070, 10392112, 12990140, 25980280, 51960560]

約数ペア:

[(1, 51960560), (2, 25980280), (4, 12990140), (5, 10392112), (8, 6495070), (10, 5196056), (16, 3247535), (20, 2598028), (40, 1299014), (80, 649507)]