2019957440

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{20297}}^1$

素因数の和:20625

約数の個数: 56

約数和(自身を含む): 4825727712

約数和(自身を除く): 2805770272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 1244, 1555, 2488, 3110, 4976, 6220, 9952, 12440, 19904, 20297, 24880, 40594, 49760, 81188, 99520, 101485, 162376, 202970, 324752, 405940, 649504, 811880, 1299008, 1623760, 3247520, 6312367, 6495040, 12624734, 25249468, 31561835, 50498936, 63123670, 100997872, 126247340, 201995744, 252494680, 403991488, 504989360, 1009978720, 2019957440]

約数ペア:

[(1, 2019957440), (2, 1009978720), (4, 504989360), (5, 403991488), (8, 252494680), (10, 201995744), (16, 126247340), (20, 100997872), (32, 63123670), (40, 50498936), (64, 31561835), (80, 25249468), (160, 12624734), (311, 6495040), (320, 6312367), (622, 3247520), (1244, 1623760), (1555, 1299008), (2488, 811880), (3110, 649504), (4976, 405940), (6220, 324752), (9952, 202970), (12440, 162376), (19904, 101485), (20297, 99520), (24880, 81188), (40594, 49760)]