54279320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 125712000

約数和(自身を除く): 71432680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 158, 178, 193, 316, 356, 386, 395, 445, 632, 712, 772, 790, 890, 965, 1544, 1580, 1780, 1930, 3160, 3560, 3860, 7031, 7720, 14062, 15247, 17177, 28124, 30494, 34354, 35155, 56248, 60988, 68708, 70310, 76235, 85885, 121976, 137416, 140620, 152470, 171770, 281240, 304940, 343540, 609880, 687080, 1356983, 2713966, 5427932, 6784915, 10855864, 13569830, 27139660, 54279320]

約数ペア:

[(1, 54279320), (2, 27139660), (4, 13569830), (5, 10855864), (8, 6784915), (10, 5427932), (20, 2713966), (40, 1356983), (79, 687080), (89, 609880), (158, 343540), (178, 304940), (193, 281240), (316, 171770), (356, 152470), (386, 140620), (395, 137416), (445, 121976), (632, 85885), (712, 76235), (772, 70310), (790, 68708), (890, 60988), (965, 56248), (1544, 35155), (1580, 34354), (1780, 30494), (1930, 28124), (3160, 17177), (3560, 15247), (3860, 14062), (7031, 7720)]