25327540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 61294464

約数和(自身を除く): 35966924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1381, 1834, 2620, 2762, 3668, 4585, 5524, 6905, 9170, 9667, 13810, 18340, 19334, 27620, 38668, 48335, 96670, 180911, 193340, 361822, 723644, 904555, 1266377, 1809110, 2532754, 3618220, 5065508, 6331885, 12663770, 25327540]

約数ペア:

[(1, 25327540), (2, 12663770), (4, 6331885), (5, 5065508), (7, 3618220), (10, 2532754), (14, 1809110), (20, 1266377), (28, 904555), (35, 723644), (70, 361822), (131, 193340), (140, 180911), (262, 96670), (524, 48335), (655, 38668), (917, 27620), (1310, 19334), (1381, 18340), (1834, 13810), (2620, 9667), (2762, 9170), (3668, 6905), (4585, 5524)]