27804880

素因数分解:

$2^4\times 5^1\times {\mathrm{347561}}^1$

素因数の和:347574

約数の個数: 20

約数和(自身を含む): 64646532

約数和(自身を除く): 36841652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347561, 695122, 1390244, 1737805, 2780488, 3475610, 5560976, 6951220, 13902440, 27804880]

約数ペア:

[(1, 27804880), (2, 13902440), (4, 6951220), (5, 5560976), (8, 3475610), (10, 2780488), (16, 1737805), (20, 1390244), (40, 695122), (80, 347561)]