9050000

素因数分解:

$2^4\times 5^5\times {\mathrm{181}}^1$

素因数の和:214

約数の個数: 60

約数和(自身を含む): 22037652

約数和(自身を除く): 12987652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 181, 200, 250, 362, 400, 500, 625, 724, 905, 1000, 1250, 1448, 1810, 2000, 2500, 2896, 3125, 3620, 4525, 5000, 6250, 7240, 9050, 10000, 12500, 14480, 18100, 22625, 25000, 36200, 45250, 50000, 72400, 90500, 113125, 181000, 226250, 362000, 452500, 565625, 905000, 1131250, 1810000, 2262500, 4525000, 9050000]

約数ペア:

[(1, 9050000), (2, 4525000), (4, 2262500), (5, 1810000), (8, 1131250), (10, 905000), (16, 565625), (20, 452500), (25, 362000), (40, 226250), (50, 181000), (80, 113125), (100, 90500), (125, 72400), (181, 50000), (200, 45250), (250, 36200), (362, 25000), (400, 22625), (500, 18100), (625, 14480), (724, 12500), (905, 10000), (1000, 9050), (1250, 7240), (1448, 6250), (1810, 5000), (2000, 4525), (2500, 3620), (2896, 3125)]