13642180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 30381120

約数和(自身を除く): 16738940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 547, 580, 860, 1094, 1247, 2188, 2494, 2735, 4988, 5470, 6235, 10940, 12470, 15863, 23521, 24940, 31726, 47042, 63452, 79315, 94084, 117605, 158630, 235210, 317260, 470420, 682109, 1364218, 2728436, 3410545, 6821090, 13642180]

約数ペア:

[(1, 13642180), (2, 6821090), (4, 3410545), (5, 2728436), (10, 1364218), (20, 682109), (29, 470420), (43, 317260), (58, 235210), (86, 158630), (116, 117605), (145, 94084), (172, 79315), (215, 63452), (290, 47042), (430, 31726), (547, 24940), (580, 23521), (860, 15863), (1094, 12470), (1247, 10940), (2188, 6235), (2494, 5470), (2735, 4988)]