25919740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16831}}^1$

素因数の和:16858

約数の個数: 48

約数和(自身を含む): 67866624

約数和(自身を除く): 41946884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16831, 33662, 67324, 84155, 117817, 168310, 185141, 235634, 336620, 370282, 471268, 589085, 740564, 925705, 1178170, 1295987, 1851410, 2356340, 2591974, 3702820, 5183948, 6479935, 12959870, 25919740]

約数ペア:

[(1, 25919740), (2, 12959870), (4, 6479935), (5, 5183948), (7, 3702820), (10, 2591974), (11, 2356340), (14, 1851410), (20, 1295987), (22, 1178170), (28, 925705), (35, 740564), (44, 589085), (55, 471268), (70, 370282), (77, 336620), (110, 235634), (140, 185141), (154, 168310), (220, 117817), (308, 84155), (385, 67324), (770, 33662), (1540, 16831)]