80253340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211193}}^1$

素因数の和:211221

約数の個数: 24

約数和(自身を含む): 177402960

約数和(自身を除く): 97149620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 211193, 422386, 844772, 1055965, 2111930, 4012667, 4223860, 8025334, 16050668, 20063335, 40126670, 80253340]

約数ペア:

[(1, 80253340), (2, 40126670), (4, 20063335), (5, 16050668), (10, 8025334), (19, 4223860), (20, 4012667), (38, 2111930), (76, 1055965), (95, 844772), (190, 422386), (380, 211193)]