40306220

素因数分解:

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

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 90380640

約数和(自身を除く): 50074420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1453, 1460, 2774, 2906, 5548, 5812, 6935, 7265, 13870, 14530, 27607, 27740, 29060, 55214, 106069, 110428, 138035, 212138, 276070, 424276, 530345, 552140, 1060690, 2015311, 2121380, 4030622, 8061244, 10076555, 20153110, 40306220]

約数ペア:

[(1, 40306220), (2, 20153110), (4, 10076555), (5, 8061244), (10, 4030622), (19, 2121380), (20, 2015311), (38, 1060690), (73, 552140), (76, 530345), (95, 424276), (146, 276070), (190, 212138), (292, 138035), (365, 110428), (380, 106069), (730, 55214), (1387, 29060), (1453, 27740), (1460, 27607), (2774, 14530), (2906, 13870), (5548, 7265), (5812, 6935)]