12948400

素因数分解:

$2^4\times 5^2\times {\mathrm{32371}}^1$

素因数の和:32389

約数の個数: 30

約数和(自身を含む): 31109492

約数和(自身を除く): 18161092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32371, 64742, 129484, 161855, 258968, 323710, 517936, 647420, 809275, 1294840, 1618550, 2589680, 3237100, 6474200, 12948400]

約数ペア:

[(1, 12948400), (2, 6474200), (4, 3237100), (5, 2589680), (8, 1618550), (10, 1294840), (16, 809275), (20, 647420), (25, 517936), (40, 323710), (50, 258968), (80, 161855), (100, 129484), (200, 64742), (400, 32371)]