2028097900

素因数分解:

$2^2\times 5^2\times {\mathrm{20280979}}^1$

素因数の和:20280993

約数の個数: 18

約数和(自身を含む): 4400972660

約数和(自身を除く): 2372874760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20280979, 40561958, 81123916, 101404895, 202809790, 405619580, 507024475, 1014048950, 2028097900]

約数ペア:

[(1, 2028097900), (2, 1014048950), (4, 507024475), (5, 405619580), (10, 202809790), (20, 101404895), (25, 81123916), (50, 40561958), (100, 20280979)]