5149040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4977

約数の個数: 40

約数和(自身を含む): 12895008

約数和(自身を除く): 7745968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4951, 9902, 19804, 24755, 39608, 49510, 64363, 79216, 99020, 128726, 198040, 257452, 321815, 396080, 514904, 643630, 1029808, 1287260, 2574520, 5149040]

約数ペア:

[(1, 5149040), (2, 2574520), (4, 1287260), (5, 1029808), (8, 643630), (10, 514904), (13, 396080), (16, 321815), (20, 257452), (26, 198040), (40, 128726), (52, 99020), (65, 79216), (80, 64363), (104, 49510), (130, 39608), (208, 24755), (260, 19804), (520, 9902), (1040, 4951)]