25813340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3923}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 63286272

約数和(自身を除く): 37472932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 3923, 6580, 7846, 15692, 19615, 27461, 39230, 54922, 78460, 109844, 137305, 184381, 274610, 368762, 549220, 737524, 921905, 1290667, 1843810, 2581334, 3687620, 5162668, 6453335, 12906670, 25813340]

約数ペア:

[(1, 25813340), (2, 12906670), (4, 6453335), (5, 5162668), (7, 3687620), (10, 2581334), (14, 1843810), (20, 1290667), (28, 921905), (35, 737524), (47, 549220), (70, 368762), (94, 274610), (140, 184381), (188, 137305), (235, 109844), (329, 78460), (470, 54922), (658, 39230), (940, 27461), (1316, 19615), (1645, 15692), (3290, 7846), (3923, 6580)]