8025980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21149

約数の個数: 24

約数和(自身を含む): 17742480

約数和(自身を除く): 9716500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21121, 42242, 84484, 105605, 211210, 401299, 422420, 802598, 1605196, 2006495, 4012990, 8025980]

約数ペア:

[(1, 8025980), (2, 4012990), (4, 2006495), (5, 1605196), (10, 802598), (19, 422420), (20, 401299), (38, 211210), (76, 105605), (95, 84484), (190, 42242), (380, 21121)]