9489080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1511}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 21500640

約数和(自身を除く): 12011560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1511, 1570, 3022, 3140, 6044, 6280, 7555, 12088, 15110, 30220, 60440, 237227, 474454, 948908, 1186135, 1897816, 2372270, 4744540, 9489080]

約数ペア:

[(1, 9489080), (2, 4744540), (4, 2372270), (5, 1897816), (8, 1186135), (10, 948908), (20, 474454), (40, 237227), (157, 60440), (314, 30220), (628, 15110), (785, 12088), (1256, 7555), (1511, 6280), (1570, 6044), (3022, 3140)]