3961180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6429

約数の個数: 24

約数和(自身を含む): 8588160

約数和(自身を除く): 4626980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6389, 12778, 25556, 31945, 63890, 127780, 198059, 396118, 792236, 990295, 1980590, 3961180]

約数ペア:

[(1, 3961180), (2, 1980590), (4, 990295), (5, 792236), (10, 396118), (20, 198059), (31, 127780), (62, 63890), (124, 31945), (155, 25556), (310, 12778), (620, 6389)]