42572120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6779}}^1$

素因数の和:6947

約数の個数: 32

約数和(自身を含む): 96411600

約数和(自身を除く): 53839480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 6779, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 1064303, 2128606, 4257212, 5321515, 8514424, 10643030, 21286060, 42572120]

約数ペア:

[(1, 42572120), (2, 21286060), (4, 10643030), (5, 8514424), (8, 5321515), (10, 4257212), (20, 2128606), (40, 1064303), (157, 271160), (314, 135580), (628, 67790), (785, 54232), (1256, 33895), (1570, 27116), (3140, 13558), (6280, 6779)]