72672980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9341}}^1$

素因数の和:9739

約数の個数: 24

約数和(自身を含む): 153021960

約数和(自身を除く): 80348980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 9341, 18682, 37364, 46705, 93410, 186820, 3633649, 7267298, 14534596, 18168245, 36336490, 72672980]

約数ペア:

[(1, 72672980), (2, 36336490), (4, 18168245), (5, 14534596), (10, 7267298), (20, 3633649), (389, 186820), (778, 93410), (1556, 46705), (1945, 37364), (3890, 18682), (7780, 9341)]