70428580

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3449}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 148087800

約数和(自身を除く): 77659220

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 3449, 4084, 5105, 6898, 10210, 13796, 17245, 20420, 34490, 68980, 3521429, 7042858, 14085716, 17607145, 35214290, 70428580]

約数ペア:

[(1, 70428580), (2, 35214290), (4, 17607145), (5, 14085716), (10, 7042858), (20, 3521429), (1021, 68980), (2042, 34490), (3449, 20420), (4084, 17245), (5105, 13796), (6898, 10210)]