88778320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10181}}^1$

素因数の和:10303

約数の個数: 40

約数和(自身を含む): 208323720

約数和(自身を除く): 119545400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 10181, 20362, 40724, 50905, 81448, 101810, 162896, 203620, 407240, 814480, 1109729, 2219458, 4438916, 5548645, 8877832, 11097290, 17755664, 22194580, 44389160, 88778320]

約数ペア:

[(1, 88778320), (2, 44389160), (4, 22194580), (5, 17755664), (8, 11097290), (10, 8877832), (16, 5548645), (20, 4438916), (40, 2219458), (80, 1109729), (109, 814480), (218, 407240), (436, 203620), (545, 162896), (872, 101810), (1090, 81448), (1744, 50905), (2180, 40724), (4360, 20362), (8720, 10181)]