45172220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16249}}^1$

素因数の和:16397

約数の個数: 24

約数和(自身を含む): 95550000

約数和(自身を除く): 50377780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 16249, 32498, 64996, 81245, 162490, 324980, 2258611, 4517222, 9034444, 11293055, 22586110, 45172220]

約数ペア:

[(1, 45172220), (2, 22586110), (4, 11293055), (5, 9034444), (10, 4517222), (20, 2258611), (139, 324980), (278, 162490), (556, 81245), (695, 64996), (1390, 32498), (2780, 16249)]