3142520

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 7121520

約数和(自身を除く): 3979000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 313, 502, 626, 1004, 1252, 1255, 1565, 2008, 2504, 2510, 3130, 5020, 6260, 10040, 12520, 78563, 157126, 314252, 392815, 628504, 785630, 1571260, 3142520]

約数ペア:

[(1, 3142520), (2, 1571260), (4, 785630), (5, 628504), (8, 392815), (10, 314252), (20, 157126), (40, 78563), (251, 12520), (313, 10040), (502, 6260), (626, 5020), (1004, 3130), (1252, 2510), (1255, 2504), (1565, 2008)]