2016557875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1487}}^1$

素因数の和:2092

約数の個数: 32

約数和(自身を含む): 2655544320

約数和(自身を除く): 638986445

約数列:

[1, 5, 19, 25, 95, 125, 475, 571, 1487, 2375, 2855, 7435, 10849, 14275, 28253, 37175, 54245, 71375, 141265, 185875, 271225, 706325, 849077, 1356125, 3531625, 4245385, 16132463, 21226925, 80662315, 106134625, 403311575, 2016557875]

約数ペア:

[(1, 2016557875), (5, 403311575), (19, 106134625), (25, 80662315), (95, 21226925), (125, 16132463), (475, 4245385), (571, 3531625), (1487, 1356125), (2375, 849077), (2855, 706325), (7435, 271225), (10849, 185875), (14275, 141265), (28253, 71375), (37175, 54245)]