25700015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 35228736

約数和(自身を除く): 9528721

約数列:

[1, 5, 11, 37, 55, 73, 173, 185, 365, 407, 803, 865, 1903, 2035, 2701, 4015, 6401, 9515, 12629, 13505, 29711, 32005, 63145, 70411, 138919, 148555, 352055, 467273, 694595, 2336365, 5140003, 25700015]

約数ペア:

[(1, 25700015), (5, 5140003), (11, 2336365), (37, 694595), (55, 467273), (73, 352055), (173, 148555), (185, 138919), (365, 70411), (407, 63145), (803, 32005), (865, 29711), (1903, 13505), (2035, 12629), (2701, 9515), (4015, 6401)]