6640750

素因数分解:

$2^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 12602304

約数和(自身を除く): 5961554

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 263, 505, 526, 1010, 1315, 2525, 2630, 5050, 6575, 12625, 13150, 25250, 26563, 32875, 53126, 65750, 132815, 265630, 664075, 1328150, 3320375, 6640750]

約数ペア:

[(1, 6640750), (2, 3320375), (5, 1328150), (10, 664075), (25, 265630), (50, 132815), (101, 65750), (125, 53126), (202, 32875), (250, 26563), (263, 25250), (505, 13150), (526, 12625), (1010, 6575), (1315, 5050), (2525, 2630)]