637625840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{74489}}^1$

素因数の和:74609

約数の個数: 40

約数和(自身を含む): 1496355120

約数和(自身を除く): 858729280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 74489, 148978, 297956, 372445, 595912, 744890, 1191824, 1489780, 2979560, 5959120, 7970323, 15940646, 31881292, 39851615, 63762584, 79703230, 127525168, 159406460, 318812920, 637625840]

約数ペア:

[(1, 637625840), (2, 318812920), (4, 159406460), (5, 127525168), (8, 79703230), (10, 63762584), (16, 39851615), (20, 31881292), (40, 15940646), (80, 7970323), (107, 5959120), (214, 2979560), (428, 1489780), (535, 1191824), (856, 744890), (1070, 595912), (1712, 372445), (2140, 297956), (4280, 148978), (8560, 74489)]