80143400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9319}}^1$

素因数の和:9378

約数の個数: 48

約数和(自身を含む): 190687200

約数和(自身を除く): 110543800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 9319, 18638, 37276, 46595, 74552, 93190, 186380, 232975, 372760, 400717, 465950, 801434, 931900, 1602868, 1863800, 2003585, 3205736, 4007170, 8014340, 10017925, 16028680, 20035850, 40071700, 80143400]

約数ペア:

[(1, 80143400), (2, 40071700), (4, 20035850), (5, 16028680), (8, 10017925), (10, 8014340), (20, 4007170), (25, 3205736), (40, 2003585), (43, 1863800), (50, 1602868), (86, 931900), (100, 801434), (172, 465950), (200, 400717), (215, 372760), (344, 232975), (430, 186380), (860, 93190), (1075, 74552), (1720, 46595), (2150, 37276), (4300, 18638), (8600, 9319)]