1999804060

素因数分解:

$2^2\times 5^1\times {\mathrm{13249}}^1\times {\mathrm{7547}}^1$

素因数の和:20805

約数の個数: 24

約数和(自身を含む): 4200462000

約数和(自身を除く): 2200657940

約数列:

[1, 2, 4, 5, 10, 20, 7547, 13249, 15094, 26498, 30188, 37735, 52996, 66245, 75470, 132490, 150940, 264980, 99990203, 199980406, 399960812, 499951015, 999902030, 1999804060]

約数ペア:

[(1, 1999804060), (2, 999902030), (4, 499951015), (5, 399960812), (10, 199980406), (20, 99990203), (7547, 264980), (13249, 150940), (15094, 132490), (26498, 75470), (30188, 66245), (37735, 52996)]