55497980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{7951}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 116894400

約数和(自身を除く): 61396420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 7951, 15902, 31804, 39755, 79510, 159020, 2774899, 5549798, 11099596, 13874495, 27748990, 55497980]

約数ペア:

[(1, 55497980), (2, 27748990), (4, 13874495), (5, 11099596), (10, 5549798), (20, 2774899), (349, 159020), (698, 79510), (1396, 39755), (1745, 31804), (3490, 15902), (6980, 7951)]