48941000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 115830000

約数和(自身を除く): 66889000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 436, 449, 500, 545, 872, 898, 1000, 1090, 1796, 2180, 2245, 2725, 3592, 4360, 4490, 5450, 8980, 10900, 11225, 13625, 17960, 21800, 22450, 27250, 44900, 48941, 54500, 56125, 89800, 97882, 109000, 112250, 195764, 224500, 244705, 391528, 449000, 489410, 978820, 1223525, 1957640, 2447050, 4894100, 6117625, 9788200, 12235250, 24470500, 48941000]

約数ペア:

[(1, 48941000), (2, 24470500), (4, 12235250), (5, 9788200), (8, 6117625), (10, 4894100), (20, 2447050), (25, 1957640), (40, 1223525), (50, 978820), (100, 489410), (109, 449000), (125, 391528), (200, 244705), (218, 224500), (250, 195764), (436, 112250), (449, 109000), (500, 97882), (545, 89800), (872, 56125), (898, 54500), (1000, 48941), (1090, 44900), (1796, 27250), (2180, 22450), (2245, 21800), (2725, 17960), (3592, 13625), (4360, 11225), (4490, 10900), (5450, 8980)]