30775000

素因数分解:

$2^3\times 5^5\times {\mathrm{1231}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 72182880

約数和(自身を除く): 41407880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1231, 1250, 2462, 2500, 3125, 4924, 5000, 6155, 6250, 9848, 12310, 12500, 24620, 25000, 30775, 49240, 61550, 123100, 153875, 246200, 307750, 615500, 769375, 1231000, 1538750, 3077500, 3846875, 6155000, 7693750, 15387500, 30775000]

約数ペア:

[(1, 30775000), (2, 15387500), (4, 7693750), (5, 6155000), (8, 3846875), (10, 3077500), (20, 1538750), (25, 1231000), (40, 769375), (50, 615500), (100, 307750), (125, 246200), (200, 153875), (250, 123100), (500, 61550), (625, 49240), (1000, 30775), (1231, 25000), (1250, 24620), (2462, 12500), (2500, 12310), (3125, 9848), (4924, 6250), (5000, 6155)]