126001840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19937}}^1$

素因数の和:20029

約数の個数: 40

約数和(自身を含む): 296677440

約数和(自身を除く): 170675600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 19937, 39874, 79748, 99685, 159496, 199370, 318992, 398740, 797480, 1575023, 1594960, 3150046, 6300092, 7875115, 12600184, 15750230, 25200368, 31500460, 63000920, 126001840]

約数ペア:

[(1, 126001840), (2, 63000920), (4, 31500460), (5, 25200368), (8, 15750230), (10, 12600184), (16, 7875115), (20, 6300092), (40, 3150046), (79, 1594960), (80, 1575023), (158, 797480), (316, 398740), (395, 318992), (632, 199370), (790, 159496), (1264, 99685), (1580, 79748), (3160, 39874), (6320, 19937)]