127080920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{29147}}^1$

素因数の和:29267

約数の個数: 32

約数和(自身を含む): 288565200

約数和(自身を除く): 161484280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 29147, 58294, 116588, 145735, 233176, 291470, 582940, 1165880, 3177023, 6354046, 12708092, 15885115, 25416184, 31770230, 63540460, 127080920]

約数ペア:

[(1, 127080920), (2, 63540460), (4, 31770230), (5, 25416184), (8, 15885115), (10, 12708092), (20, 6354046), (40, 3177023), (109, 1165880), (218, 582940), (436, 291470), (545, 233176), (872, 145735), (1090, 116588), (2180, 58294), (4360, 29147)]