25420640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{22697}}^1$

素因数の和:22719

約数の個数: 48

約数和(自身を含む): 68638752

約数和(自身を除く): 43218112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 22697, 45394, 90788, 113485, 158879, 181576, 226970, 317758, 363152, 453940, 635516, 726304, 794395, 907880, 1271032, 1588790, 1815760, 2542064, 3177580, 3631520, 5084128, 6355160, 12710320, 25420640]

約数ペア:

[(1, 25420640), (2, 12710320), (4, 6355160), (5, 5084128), (7, 3631520), (8, 3177580), (10, 2542064), (14, 1815760), (16, 1588790), (20, 1271032), (28, 907880), (32, 794395), (35, 726304), (40, 635516), (56, 453940), (70, 363152), (80, 317758), (112, 226970), (140, 181576), (160, 158879), (224, 113485), (280, 90788), (560, 45394), (1120, 22697)]