25551540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2897}}^1$

素因数の和:2926

約数の個数: 108

約数和(自身を含む): 90191556

約数和(自身を除く): 64640016

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2897, 2940, 4410, 5794, 8691, 8820, 11588, 14485, 17382, 20279, 26073, 28970, 34764, 40558, 43455, 52146, 57940, 60837, 81116, 86910, 101395, 104292, 121674, 130365, 141953, 173820, 182511, 202790, 243348, 260730, 283906, 304185, 365022, 405580, 425859, 521460, 567812, 608370, 709765, 730044, 851718, 912555, 1216740, 1277577, 1419530, 1703436, 1825110, 2129295, 2555154, 2839060, 3650220, 4258590, 5110308, 6387885, 8517180, 12775770, 25551540]

約数ペア:

[(1, 25551540), (2, 12775770), (3, 8517180), (4, 6387885), (5, 5110308), (6, 4258590), (7, 3650220), (9, 2839060), (10, 2555154), (12, 2129295), (14, 1825110), (15, 1703436), (18, 1419530), (20, 1277577), (21, 1216740), (28, 912555), (30, 851718), (35, 730044), (36, 709765), (42, 608370), (45, 567812), (49, 521460), (60, 425859), (63, 405580), (70, 365022), (84, 304185), (90, 283906), (98, 260730), (105, 243348), (126, 202790), (140, 182511), (147, 173820), (180, 141953), (196, 130365), (210, 121674), (245, 104292), (252, 101395), (294, 86910), (315, 81116), (420, 60837), (441, 57940), (490, 52146), (588, 43455), (630, 40558), (735, 34764), (882, 28970), (980, 26073), (1260, 20279), (1470, 17382), (1764, 14485), (2205, 11588), (2897, 8820), (2940, 8691), (4410, 5794)]