9809080

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 22181040

約数和(自身を除く): 12371960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 977, 1004, 1255, 1954, 2008, 2510, 3908, 4885, 5020, 7816, 9770, 10040, 19540, 39080, 245227, 490454, 980908, 1226135, 1961816, 2452270, 4904540, 9809080]

約数ペア:

[(1, 9809080), (2, 4904540), (4, 2452270), (5, 1961816), (8, 1226135), (10, 980908), (20, 490454), (40, 245227), (251, 39080), (502, 19540), (977, 10040), (1004, 9770), (1255, 7816), (1954, 5020), (2008, 4885), (2510, 3908)]