42405080

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2953}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 95709600

約数和(自身を除く): 53304520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 2953, 3590, 5906, 7180, 11812, 14360, 14765, 23624, 29530, 59060, 118120, 1060127, 2120254, 4240508, 5300635, 8481016, 10601270, 21202540, 42405080]

約数ペア:

[(1, 42405080), (2, 21202540), (4, 10601270), (5, 8481016), (8, 5300635), (10, 4240508), (20, 2120254), (40, 1060127), (359, 118120), (718, 59060), (1436, 29530), (1795, 23624), (2872, 14765), (2953, 14360), (3590, 11812), (5906, 7180)]