12590540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 29484000

約数和(自身を除く): 16893460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 1949, 3230, 3898, 6460, 7796, 9745, 19490, 33133, 37031, 38980, 66266, 74062, 132532, 148124, 165665, 185155, 331330, 370310, 629527, 662660, 740620, 1259054, 2518108, 3147635, 6295270, 12590540]

約数ペア:

[(1, 12590540), (2, 6295270), (4, 3147635), (5, 2518108), (10, 1259054), (17, 740620), (19, 662660), (20, 629527), (34, 370310), (38, 331330), (68, 185155), (76, 165665), (85, 148124), (95, 132532), (170, 74062), (190, 66266), (323, 38980), (340, 37031), (380, 33133), (646, 19490), (1292, 9745), (1615, 7796), (1949, 6460), (3230, 3898)]