2650400

素因数分解:

$2^5\times 5^2\times {\mathrm{3313}}^1$

素因数の和:3333

約数の個数: 36

約数和(自身を含む): 6472242

約数和(自身を除く): 3821842

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3313, 6626, 13252, 16565, 26504, 33130, 53008, 66260, 82825, 106016, 132520, 165650, 265040, 331300, 530080, 662600, 1325200, 2650400]

約数ペア:

[(1, 2650400), (2, 1325200), (4, 662600), (5, 530080), (8, 331300), (10, 265040), (16, 165650), (20, 132520), (25, 106016), (32, 82825), (40, 66260), (50, 53008), (80, 33130), (100, 26504), (160, 16565), (200, 13252), (400, 6626), (800, 3313)]