25691580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{15859}}^1$

素因数の和:15880

約数の個数: 60

約数和(自身を含む): 80600520

約数和(自身を除く): 54908940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 15859, 31718, 47577, 63436, 79295, 95154, 142731, 158590, 190308, 237885, 285462, 317180, 428193, 475770, 570924, 713655, 856386, 951540, 1284579, 1427310, 1712772, 2140965, 2569158, 2854620, 4281930, 5138316, 6422895, 8563860, 12845790, 25691580]

約数ペア:

[(1, 25691580), (2, 12845790), (3, 8563860), (4, 6422895), (5, 5138316), (6, 4281930), (9, 2854620), (10, 2569158), (12, 2140965), (15, 1712772), (18, 1427310), (20, 1284579), (27, 951540), (30, 856386), (36, 713655), (45, 570924), (54, 475770), (60, 428193), (81, 317180), (90, 285462), (108, 237885), (135, 190308), (162, 158590), (180, 142731), (270, 95154), (324, 79295), (405, 63436), (540, 47577), (810, 31718), (1620, 15859)]