201256120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387031}}^1$

素因数の和:387055

約数の個数: 32

約数和(自身を含む): 487660320

約数和(自身を除く): 286404200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387031, 774062, 1548124, 1935155, 3096248, 3870310, 5031403, 7740620, 10062806, 15481240, 20125612, 25157015, 40251224, 50314030, 100628060, 201256120]

約数ペア:

[(1, 201256120), (2, 100628060), (4, 50314030), (5, 40251224), (8, 25157015), (10, 20125612), (13, 15481240), (20, 10062806), (26, 7740620), (40, 5031403), (52, 3870310), (65, 3096248), (104, 1935155), (130, 1548124), (260, 774062), (520, 387031)]