55847240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12809}}^1$

素因数の和:12929

約数の個数: 32

約数和(自身を含む): 126819000

約数和(自身を除く): 70971760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12809, 25618, 51236, 64045, 102472, 128090, 256180, 512360, 1396181, 2792362, 5584724, 6980905, 11169448, 13961810, 27923620, 55847240]

約数ペア:

[(1, 55847240), (2, 27923620), (4, 13961810), (5, 11169448), (8, 6980905), (10, 5584724), (20, 2792362), (40, 1396181), (109, 512360), (218, 256180), (436, 128090), (545, 102472), (872, 64045), (1090, 51236), (2180, 25618), (4360, 12809)]