128500075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 182015136

約数和(自身を除く): 53515061

約数列:

[1, 5, 11, 25, 37, 55, 73, 173, 185, 275, 365, 407, 803, 865, 925, 1825, 1903, 2035, 2701, 4015, 4325, 6401, 9515, 10175, 12629, 13505, 20075, 29711, 32005, 47575, 63145, 67525, 70411, 138919, 148555, 160025, 315725, 352055, 467273, 694595, 742775, 1760275, 2336365, 3472975, 5140003, 11681825, 25700015, 128500075]

約数ペア:

[(1, 128500075), (5, 25700015), (11, 11681825), (25, 5140003), (37, 3472975), (55, 2336365), (73, 1760275), (173, 742775), (185, 694595), (275, 467273), (365, 352055), (407, 315725), (803, 160025), (865, 148555), (925, 138919), (1825, 70411), (1903, 67525), (2035, 63145), (2701, 47575), (4015, 32005), (4325, 29711), (6401, 20075), (9515, 13505), (10175, 12629)]