25390210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 47215872

約数和(自身を除く): 21825662

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 431, 685, 862, 1370, 2155, 4310, 5891, 11782, 18533, 29455, 37066, 58910, 59047, 92665, 118094, 185330, 295235, 590470, 2539021, 5078042, 12695105, 25390210]

約数ペア:

[(1, 25390210), (2, 12695105), (5, 5078042), (10, 2539021), (43, 590470), (86, 295235), (137, 185330), (215, 118094), (274, 92665), (430, 59047), (431, 58910), (685, 37066), (862, 29455), (1370, 18533), (2155, 11782), (4310, 5891)]