82419760

素因数分解:

$2^4\times 5^1\times {\mathrm{1030247}}^1$

素因数の和:1030260

約数の個数: 20

約数和(自身を含む): 191626128

約数和(自身を除く): 109206368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1030247, 2060494, 4120988, 5151235, 8241976, 10302470, 16483952, 20604940, 41209880, 82419760]

約数ペア:

[(1, 82419760), (2, 41209880), (4, 20604940), (5, 16483952), (8, 10302470), (10, 8241976), (16, 5151235), (20, 4120988), (40, 2060494), (80, 1030247)]