55781360

素因数分解:

$2^4\times 5^1\times {\mathrm{697267}}^1$

素因数の和:697280

約数の個数: 20

約数和(自身を含む): 129691848

約数和(自身を除く): 73910488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 697267, 1394534, 2789068, 3486335, 5578136, 6972670, 11156272, 13945340, 27890680, 55781360]

約数ペア:

[(1, 55781360), (2, 27890680), (4, 13945340), (5, 11156272), (8, 6972670), (10, 5578136), (16, 3486335), (20, 2789068), (40, 1394534), (80, 697267)]