31085000

素因数分解:

$2^3\times 5^4\times {\mathrm{6217}}^1$

素因数の和:6243

約数の個数: 40

約数和(自身を含む): 72843870

約数和(自身を除く): 41758870

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6217, 12434, 24868, 31085, 49736, 62170, 124340, 155425, 248680, 310850, 621700, 777125, 1243400, 1554250, 3108500, 3885625, 6217000, 7771250, 15542500, 31085000]

約数ペア:

[(1, 31085000), (2, 15542500), (4, 7771250), (5, 6217000), (8, 3885625), (10, 3108500), (20, 1554250), (25, 1243400), (40, 777125), (50, 621700), (100, 310850), (125, 248680), (200, 155425), (250, 124340), (500, 62170), (625, 49736), (1000, 31085), (1250, 24868), (2500, 12434), (5000, 6217)]