9719720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5651}}^1$

素因数の和:5705

約数の個数: 32

約数和(自身を含む): 22381920

約数和(自身を除く): 12662200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5651, 11302, 22604, 28255, 45208, 56510, 113020, 226040, 242993, 485986, 971972, 1214965, 1943944, 2429930, 4859860, 9719720]

約数ペア:

[(1, 9719720), (2, 4859860), (4, 2429930), (5, 1943944), (8, 1214965), (10, 971972), (20, 485986), (40, 242993), (43, 226040), (86, 113020), (172, 56510), (215, 45208), (344, 28255), (430, 22604), (860, 11302), (1720, 5651)]