55623080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 130109760

約数和(自身を除く): 74486680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 443, 584, 730, 860, 886, 1460, 1720, 1772, 2215, 2920, 3139, 3544, 4430, 6278, 8860, 12556, 15695, 17720, 19049, 25112, 31390, 32339, 38098, 62780, 64678, 76196, 95245, 125560, 129356, 152392, 161695, 190490, 258712, 323390, 380980, 646780, 761960, 1293560, 1390577, 2781154, 5562308, 6952885, 11124616, 13905770, 27811540, 55623080]

約数ペア:

[(1, 55623080), (2, 27811540), (4, 13905770), (5, 11124616), (8, 6952885), (10, 5562308), (20, 2781154), (40, 1390577), (43, 1293560), (73, 761960), (86, 646780), (146, 380980), (172, 323390), (215, 258712), (292, 190490), (344, 161695), (365, 152392), (430, 129356), (443, 125560), (584, 95245), (730, 76196), (860, 64678), (886, 62780), (1460, 38098), (1720, 32339), (1772, 31390), (2215, 25112), (2920, 19049), (3139, 17720), (3544, 15695), (4430, 12556), (6278, 8860)]