13290760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6806

約数の個数: 48

約数和(自身を含む): 34791660

約数和(自身を除く): 21500900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6781, 13562, 27124, 33905, 47467, 54248, 67810, 94934, 135620, 189868, 237335, 271240, 332269, 379736, 474670, 664538, 949340, 1329076, 1661345, 1898680, 2658152, 3322690, 6645380, 13290760]

約数ペア:

[(1, 13290760), (2, 6645380), (4, 3322690), (5, 2658152), (7, 1898680), (8, 1661345), (10, 1329076), (14, 949340), (20, 664538), (28, 474670), (35, 379736), (40, 332269), (49, 271240), (56, 237335), (70, 189868), (98, 135620), (140, 94934), (196, 67810), (245, 54248), (280, 47467), (392, 33905), (490, 27124), (980, 13562), (1960, 6781)]