42574040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11959}}^1$

素因数の和:12059

約数の個数: 32

約数和(自身を含む): 96876000

約数和(自身を除く): 54301960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11959, 23918, 47836, 59795, 95672, 119590, 239180, 478360, 1064351, 2128702, 4257404, 5321755, 8514808, 10643510, 21287020, 42574040]

約数ペア:

[(1, 42574040), (2, 21287020), (4, 10643510), (5, 8514808), (8, 5321755), (10, 4257404), (20, 2128702), (40, 1064351), (89, 478360), (178, 239180), (356, 119590), (445, 95672), (712, 59795), (890, 47836), (1780, 23918), (3560, 11959)]