9004120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 20398320

約数和(自身を除く): 11394200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1381, 1630, 2762, 3260, 5524, 6520, 6905, 11048, 13810, 27620, 55240, 225103, 450206, 900412, 1125515, 1800824, 2251030, 4502060, 9004120]

約数ペア:

[(1, 9004120), (2, 4502060), (4, 2251030), (5, 1800824), (8, 1125515), (10, 900412), (20, 450206), (40, 225103), (163, 55240), (326, 27620), (652, 13810), (815, 11048), (1304, 6905), (1381, 6520), (1630, 5524), (2762, 3260)]