80612440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1556

約数の個数: 64

約数和(自身を含む): 193672800

約数和(自身を除く): 113060360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1387, 1453, 1460, 2774, 2906, 2920, 5548, 5812, 6935, 7265, 11096, 11624, 13870, 14530, 27607, 27740, 29060, 55214, 55480, 58120, 106069, 110428, 138035, 212138, 220856, 276070, 424276, 530345, 552140, 848552, 1060690, 1104280, 2015311, 2121380, 4030622, 4242760, 8061244, 10076555, 16122488, 20153110, 40306220, 80612440]

約数ペア:

[(1, 80612440), (2, 40306220), (4, 20153110), (5, 16122488), (8, 10076555), (10, 8061244), (19, 4242760), (20, 4030622), (38, 2121380), (40, 2015311), (73, 1104280), (76, 1060690), (95, 848552), (146, 552140), (152, 530345), (190, 424276), (292, 276070), (365, 220856), (380, 212138), (584, 138035), (730, 110428), (760, 106069), (1387, 58120), (1453, 55480), (1460, 55214), (2774, 29060), (2906, 27740), (2920, 27607), (5548, 14530), (5812, 13870), (6935, 11624), (7265, 11096)]