471621680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{66239}}^1$

素因数の和:66341

約数の個数: 40

約数和(自身を含む): 1108857600

約数和(自身を除く): 637235920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 66239, 132478, 264956, 331195, 529912, 662390, 1059824, 1324780, 2649560, 5299120, 5895271, 11790542, 23581084, 29476355, 47162168, 58952710, 94324336, 117905420, 235810840, 471621680]

約数ペア:

[(1, 471621680), (2, 235810840), (4, 117905420), (5, 94324336), (8, 58952710), (10, 47162168), (16, 29476355), (20, 23581084), (40, 11790542), (80, 5895271), (89, 5299120), (178, 2649560), (356, 1324780), (445, 1059824), (712, 662390), (890, 529912), (1424, 331195), (1780, 264956), (3560, 132478), (7120, 66239)]