80493820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{593}}^1\times {\mathrm{617}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 185014368

約数和(自身を除く): 104520548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 593, 617, 1186, 1234, 2372, 2468, 2965, 3085, 5930, 6170, 6523, 6787, 11860, 12340, 13046, 13574, 26092, 27148, 32615, 33935, 65230, 67870, 130460, 135740, 365881, 731762, 1463524, 1829405, 3658810, 4024691, 7317620, 8049382, 16098764, 20123455, 40246910, 80493820]

約数ペア:

[(1, 80493820), (2, 40246910), (4, 20123455), (5, 16098764), (10, 8049382), (11, 7317620), (20, 4024691), (22, 3658810), (44, 1829405), (55, 1463524), (110, 731762), (220, 365881), (593, 135740), (617, 130460), (1186, 67870), (1234, 65230), (2372, 33935), (2468, 32615), (2965, 27148), (3085, 26092), (5930, 13574), (6170, 13046), (6523, 12340), (6787, 11860)]