201721120

素因数分解:

$2^5\times 5^1\times {\mathrm{1260757}}^1$

素因数の和:1260772

約数の個数: 24

約数和(自身を含む): 476566524

約数和(自身を除く): 274845404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1260757, 2521514, 5043028, 6303785, 10086056, 12607570, 20172112, 25215140, 40344224, 50430280, 100860560, 201721120]

約数ペア:

[(1, 201721120), (2, 100860560), (4, 50430280), (5, 40344224), (8, 25215140), (10, 20172112), (16, 12607570), (20, 10086056), (32, 6303785), (40, 5043028), (80, 2521514), (160, 1260757)]