42659920

素因数分解:

$2^4\times 5^1\times {\mathrm{533249}}^1$

素因数の和:533262

約数の個数: 20

約数和(自身を含む): 99184500

約数和(自身を除く): 56524580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533249, 1066498, 2132996, 2666245, 4265992, 5332490, 8531984, 10664980, 21329960, 42659920]

約数ペア:

[(1, 42659920), (2, 21329960), (4, 10664980), (5, 8531984), (8, 5332490), (10, 4265992), (16, 2666245), (20, 2132996), (40, 1066498), (80, 533249)]