42579920

素因数分解:

$2^4\times 5^1\times {\mathrm{532249}}^1$

素因数の和:532262

約数の個数: 20

約数和(自身を含む): 98998500

約数和(自身を除く): 56418580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 532249, 1064498, 2128996, 2661245, 4257992, 5322490, 8515984, 10644980, 21289960, 42579920]

約数ペア:

[(1, 42579920), (2, 21289960), (4, 10644980), (5, 8515984), (8, 5322490), (10, 4257992), (16, 2661245), (20, 2128996), (40, 1064498), (80, 532249)]