20082500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 45594780

約数和(自身を除く): 25512280

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 277, 290, 500, 554, 580, 625, 725, 1108, 1250, 1385, 1450, 2500, 2770, 2900, 3625, 5540, 6925, 7250, 8033, 13850, 14500, 16066, 18125, 27700, 32132, 34625, 36250, 40165, 69250, 72500, 80330, 138500, 160660, 173125, 200825, 346250, 401650, 692500, 803300, 1004125, 2008250, 4016500, 5020625, 10041250, 20082500]

約数ペア:

[(1, 20082500), (2, 10041250), (4, 5020625), (5, 4016500), (10, 2008250), (20, 1004125), (25, 803300), (29, 692500), (50, 401650), (58, 346250), (100, 200825), (116, 173125), (125, 160660), (145, 138500), (250, 80330), (277, 72500), (290, 69250), (500, 40165), (554, 36250), (580, 34625), (625, 32132), (725, 27700), (1108, 18125), (1250, 16066), (1385, 14500), (1450, 13850), (2500, 8033), (2770, 7250), (2900, 6925), (3625, 5540)]