5050000

素因数分解:

$2^4\times 5^5\times {\mathrm{101}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 12350772

約数和(自身を除く): 7300772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 125, 200, 202, 250, 400, 404, 500, 505, 625, 808, 1000, 1010, 1250, 1616, 2000, 2020, 2500, 2525, 3125, 4040, 5000, 5050, 6250, 8080, 10000, 10100, 12500, 12625, 20200, 25000, 25250, 40400, 50000, 50500, 63125, 101000, 126250, 202000, 252500, 315625, 505000, 631250, 1010000, 1262500, 2525000, 5050000]

約数ペア:

[(1, 5050000), (2, 2525000), (4, 1262500), (5, 1010000), (8, 631250), (10, 505000), (16, 315625), (20, 252500), (25, 202000), (40, 126250), (50, 101000), (80, 63125), (100, 50500), (101, 50000), (125, 40400), (200, 25250), (202, 25000), (250, 20200), (400, 12625), (404, 12500), (500, 10100), (505, 10000), (625, 8080), (808, 6250), (1000, 5050), (1010, 5000), (1250, 4040), (1616, 3125), (2000, 2525), (2020, 2500)]