42748400

素因数分解:

$2^4\times 5^2\times {\mathrm{106871}}^1$

素因数の和:106889

約数の個数: 30

約数和(自身を含む): 102703992

約数和(自身を除く): 59955592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 106871, 213742, 427484, 534355, 854968, 1068710, 1709936, 2137420, 2671775, 4274840, 5343550, 8549680, 10687100, 21374200, 42748400]

約数ペア:

[(1, 42748400), (2, 21374200), (4, 10687100), (5, 8549680), (8, 5343550), (10, 4274840), (16, 2671775), (20, 2137420), (25, 1709936), (40, 1068710), (50, 854968), (80, 534355), (100, 427484), (200, 213742), (400, 106871)]