2016386875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{613}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 2666209040

約数和(自身を除く): 649822165

約数列:

[1, 5, 19, 25, 95, 125, 277, 475, 613, 625, 1385, 2375, 3065, 5263, 6925, 11647, 11875, 15325, 26315, 34625, 58235, 76625, 131575, 169801, 173125, 291175, 383125, 657875, 849005, 1455875, 3226219, 3289375, 4245025, 7279375, 16131095, 21225125, 80655475, 106125625, 403277375, 2016386875]

約数ペア:

[(1, 2016386875), (5, 403277375), (19, 106125625), (25, 80655475), (95, 21225125), (125, 16131095), (277, 7279375), (475, 4245025), (613, 3289375), (625, 3226219), (1385, 1455875), (2375, 849005), (3065, 657875), (5263, 383125), (6925, 291175), (11647, 173125), (11875, 169801), (15325, 131575), (26315, 76625), (34625, 58235)]