81003400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9419}}^1$

素因数の和:9478

約数の個数: 48

約数和(自身を含む): 192733200

約数和(自身を除く): 111729800

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, 9419, 18838, 37676, 47095, 75352, 94190, 188380, 235475, 376760, 405017, 470950, 810034, 941900, 1620068, 1883800, 2025085, 3240136, 4050170, 8100340, 10125425, 16200680, 20250850, 40501700, 81003400]

約数ペア:

[(1, 81003400), (2, 40501700), (4, 20250850), (5, 16200680), (8, 10125425), (10, 8100340), (20, 4050170), (25, 3240136), (40, 2025085), (43, 1883800), (50, 1620068), (86, 941900), (100, 810034), (172, 470950), (200, 405017), (215, 376760), (344, 235475), (430, 188380), (860, 94190), (1075, 75352), (1720, 47095), (2150, 37676), (4300, 18838), (8600, 9419)]