253710440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{49943}}^1$

素因数の和:50081

約数の個数: 32

約数和(自身を含む): 575354880

約数和(自身を除く): 321644440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 49943, 99886, 199772, 249715, 399544, 499430, 998860, 1997720, 6342761, 12685522, 25371044, 31713805, 50742088, 63427610, 126855220, 253710440]

約数ペア:

[(1, 253710440), (2, 126855220), (4, 63427610), (5, 50742088), (8, 31713805), (10, 25371044), (20, 12685522), (40, 6342761), (127, 1997720), (254, 998860), (508, 499430), (635, 399544), (1016, 249715), (1270, 199772), (2540, 99886), (5080, 49943)]