25779740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 62596800

約数和(自身を除く): 36817060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2069, 2492, 3115, 4138, 6230, 8276, 10345, 12460, 14483, 20690, 28966, 41380, 57932, 72415, 144830, 184141, 289660, 368282, 736564, 920705, 1288987, 1841410, 2577974, 3682820, 5155948, 6444935, 12889870, 25779740]

約数ペア:

[(1, 25779740), (2, 12889870), (4, 6444935), (5, 5155948), (7, 3682820), (10, 2577974), (14, 1841410), (20, 1288987), (28, 920705), (35, 736564), (70, 368282), (89, 289660), (140, 184141), (178, 144830), (356, 72415), (445, 57932), (623, 41380), (890, 28966), (1246, 20690), (1780, 14483), (2069, 12460), (2492, 10345), (3115, 8276), (4138, 6230)]