42801950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{20879}}^1$

素因数の和:20932

約数の個数: 24

約数和(自身を含む): 81557280

約数和(自身を除く): 38755330

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 20879, 41758, 104395, 208790, 521975, 856039, 1043950, 1712078, 4280195, 8560390, 21400975, 42801950]

約数ペア:

[(1, 42801950), (2, 21400975), (5, 8560390), (10, 4280195), (25, 1712078), (41, 1043950), (50, 856039), (82, 521975), (205, 208790), (410, 104395), (1025, 41758), (2050, 20879)]