25664940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20369}}^1$

素因数の和:20391

約数の個数: 72

約数和(自身を含む): 88976160

約数和(自身を除く): 63311220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20369, 40738, 61107, 81476, 101845, 122214, 142583, 183321, 203690, 244428, 285166, 305535, 366642, 407380, 427749, 570332, 611070, 712915, 733284, 855498, 916605, 1222140, 1283247, 1425830, 1710996, 1833210, 2138745, 2566494, 2851660, 3666420, 4277490, 5132988, 6416235, 8554980, 12832470, 25664940]

約数ペア:

[(1, 25664940), (2, 12832470), (3, 8554980), (4, 6416235), (5, 5132988), (6, 4277490), (7, 3666420), (9, 2851660), (10, 2566494), (12, 2138745), (14, 1833210), (15, 1710996), (18, 1425830), (20, 1283247), (21, 1222140), (28, 916605), (30, 855498), (35, 733284), (36, 712915), (42, 611070), (45, 570332), (60, 427749), (63, 407380), (70, 366642), (84, 305535), (90, 285166), (105, 244428), (126, 203690), (140, 183321), (180, 142583), (210, 122214), (252, 101845), (315, 81476), (420, 61107), (630, 40738), (1260, 20369)]