25171400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 59043840

約数和(自身を除く): 33872440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 991, 1016, 1270, 1982, 2540, 3175, 3964, 4955, 5080, 6350, 7928, 9910, 12700, 19820, 24775, 25400, 39640, 49550, 99100, 125857, 198200, 251714, 503428, 629285, 1006856, 1258570, 2517140, 3146425, 5034280, 6292850, 12585700, 25171400]

約数ペア:

[(1, 25171400), (2, 12585700), (4, 6292850), (5, 5034280), (8, 3146425), (10, 2517140), (20, 1258570), (25, 1006856), (40, 629285), (50, 503428), (100, 251714), (127, 198200), (200, 125857), (254, 99100), (508, 49550), (635, 39640), (991, 25400), (1016, 24775), (1270, 19820), (1982, 12700), (2540, 9910), (3175, 7928), (3964, 6350), (4955, 5080)]