42105320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19861}}^1$

素因数の和:19925

約数の個数: 32

約数和(自身を含む): 96529320

約数和(自身を除く): 54424000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 19861, 39722, 79444, 99305, 158888, 198610, 397220, 794440, 1052633, 2105266, 4210532, 5263165, 8421064, 10526330, 21052660, 42105320]

約数ペア:

[(1, 42105320), (2, 21052660), (4, 10526330), (5, 8421064), (8, 5263165), (10, 4210532), (20, 2105266), (40, 1052633), (53, 794440), (106, 397220), (212, 198610), (265, 158888), (424, 99305), (530, 79444), (1060, 39722), (2120, 19861)]