22444880

素因数分解:

$2^4\times 5^1\times {\mathrm{280561}}^1$

素因数の和:280574

約数の個数: 20

約数和(自身を含む): 52184532

約数和(自身を除く): 29739652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280561, 561122, 1122244, 1402805, 2244488, 2805610, 4488976, 5611220, 11222440, 22444880]

約数ペア:

[(1, 22444880), (2, 11222440), (4, 5611220), (5, 4488976), (8, 2805610), (10, 2244488), (16, 1402805), (20, 1122244), (40, 561122), (80, 280561)]