61978460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42451}}^1$

素因数の和:42533

約数の個数: 24

約数和(自身を含む): 131940816

約数和(自身を除く): 69962356

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 42451, 84902, 169804, 212255, 424510, 849020, 3098923, 6197846, 12395692, 15494615, 30989230, 61978460]

約数ペア:

[(1, 61978460), (2, 30989230), (4, 15494615), (5, 12395692), (10, 6197846), (20, 3098923), (73, 849020), (146, 424510), (292, 212255), (365, 169804), (730, 84902), (1460, 42451)]