54156400

素因数分解:

$2^4\times 5^2\times {\mathrm{135391}}^1$

素因数の和:135409

約数の個数: 30

約数和(自身を含む): 130111712

約数和(自身を除く): 75955312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135391, 270782, 541564, 676955, 1083128, 1353910, 2166256, 2707820, 3384775, 5415640, 6769550, 10831280, 13539100, 27078200, 54156400]

約数ペア:

[(1, 54156400), (2, 27078200), (4, 13539100), (5, 10831280), (8, 6769550), (10, 5415640), (16, 3384775), (20, 2707820), (25, 2166256), (40, 1353910), (50, 1083128), (80, 676955), (100, 541564), (200, 270782), (400, 135391)]