80221600

素因数分解:

$2^5\times 5^2\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:842

約数の個数: 72

約数和(自身を含む): 197448300

約数和(自身を除く): 117226700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 149, 160, 200, 298, 400, 596, 673, 745, 800, 1192, 1346, 1490, 2384, 2692, 2980, 3365, 3725, 4768, 5384, 5960, 6730, 7450, 10768, 11920, 13460, 14900, 16825, 21536, 23840, 26920, 29800, 33650, 53840, 59600, 67300, 100277, 107680, 119200, 134600, 200554, 269200, 401108, 501385, 538400, 802216, 1002770, 1604432, 2005540, 2506925, 3208864, 4011080, 5013850, 8022160, 10027700, 16044320, 20055400, 40110800, 80221600]

約数ペア:

[(1, 80221600), (2, 40110800), (4, 20055400), (5, 16044320), (8, 10027700), (10, 8022160), (16, 5013850), (20, 4011080), (25, 3208864), (32, 2506925), (40, 2005540), (50, 1604432), (80, 1002770), (100, 802216), (149, 538400), (160, 501385), (200, 401108), (298, 269200), (400, 200554), (596, 134600), (673, 119200), (745, 107680), (800, 100277), (1192, 67300), (1346, 59600), (1490, 53840), (2384, 33650), (2692, 29800), (2980, 26920), (3365, 23840), (3725, 21536), (4768, 16825), (5384, 14900), (5960, 13460), (6730, 11920), (7450, 10768)]