8157804910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{17761}}^1$

素因数の和:19788

約数の個数: 32

約数和(自身を含む): 15331021632

約数和(自身を除く): 7173216722

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1997, 3994, 9985, 17761, 19970, 35522, 45931, 88805, 91862, 177610, 229655, 408503, 459310, 817006, 2042515, 4085030, 35468717, 70937434, 177343585, 354687170, 815780491, 1631560982, 4078902455, 8157804910]

約数ペア:

[(1, 8157804910), (2, 4078902455), (5, 1631560982), (10, 815780491), (23, 354687170), (46, 177343585), (115, 70937434), (230, 35468717), (1997, 4085030), (3994, 2042515), (9985, 817006), (17761, 459310), (19970, 408503), (35522, 229655), (45931, 177610), (88805, 91862)]