24550000

素因数分解:

$2^4\times 5^5\times {\mathrm{491}}^1$

素因数の和:524

約数の個数: 60

約数和(自身を含む): 59574312

約数和(自身を除く): 35024312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 491, 500, 625, 982, 1000, 1250, 1964, 2000, 2455, 2500, 3125, 3928, 4910, 5000, 6250, 7856, 9820, 10000, 12275, 12500, 19640, 24550, 25000, 39280, 49100, 50000, 61375, 98200, 122750, 196400, 245500, 306875, 491000, 613750, 982000, 1227500, 1534375, 2455000, 3068750, 4910000, 6137500, 12275000, 24550000]

約数ペア:

[(1, 24550000), (2, 12275000), (4, 6137500), (5, 4910000), (8, 3068750), (10, 2455000), (16, 1534375), (20, 1227500), (25, 982000), (40, 613750), (50, 491000), (80, 306875), (100, 245500), (125, 196400), (200, 122750), (250, 98200), (400, 61375), (491, 50000), (500, 49100), (625, 39280), (982, 25000), (1000, 24550), (1250, 19640), (1964, 12500), (2000, 12275), (2455, 10000), (2500, 9820), (3125, 7856), (3928, 6250), (4910, 5000)]