4525000

素因数分解:

$2^3\times 5^5\times {\mathrm{181}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 10663380

約数和(自身を除く): 6138380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 181, 200, 250, 362, 500, 625, 724, 905, 1000, 1250, 1448, 1810, 2500, 3125, 3620, 4525, 5000, 6250, 7240, 9050, 12500, 18100, 22625, 25000, 36200, 45250, 90500, 113125, 181000, 226250, 452500, 565625, 905000, 1131250, 2262500, 4525000]

約数ペア:

[(1, 4525000), (2, 2262500), (4, 1131250), (5, 905000), (8, 565625), (10, 452500), (20, 226250), (25, 181000), (40, 113125), (50, 90500), (100, 45250), (125, 36200), (181, 25000), (200, 22625), (250, 18100), (362, 12500), (500, 9050), (625, 7240), (724, 6250), (905, 5000), (1000, 4525), (1250, 3620), (1448, 3125), (1810, 2500)]