56450000

素因数分解:

$2^4\times 5^5\times {\mathrm{1129}}^1$

素因数の和:1162

約数の個数: 60

約数和(自身を含む): 136827180

約数和(自身を除く): 80377180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1129, 1250, 2000, 2258, 2500, 3125, 4516, 5000, 5645, 6250, 9032, 10000, 11290, 12500, 18064, 22580, 25000, 28225, 45160, 50000, 56450, 90320, 112900, 141125, 225800, 282250, 451600, 564500, 705625, 1129000, 1411250, 2258000, 2822500, 3528125, 5645000, 7056250, 11290000, 14112500, 28225000, 56450000]

約数ペア:

[(1, 56450000), (2, 28225000), (4, 14112500), (5, 11290000), (8, 7056250), (10, 5645000), (16, 3528125), (20, 2822500), (25, 2258000), (40, 1411250), (50, 1129000), (80, 705625), (100, 564500), (125, 451600), (200, 282250), (250, 225800), (400, 141125), (500, 112900), (625, 90320), (1000, 56450), (1129, 50000), (1250, 45160), (2000, 28225), (2258, 25000), (2500, 22580), (3125, 18064), (4516, 12500), (5000, 11290), (5645, 10000), (6250, 9032)]