1029384520

素因数分解:

$2^3\times 5^1\times {\mathrm{2341}}^1\times {\mathrm{10993}}^1$

素因数の和:13345

約数の個数: 32

約数和(自身を含む): 2317315320

約数和(自身を除く): 1287930800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2341, 4682, 9364, 10993, 11705, 18728, 21986, 23410, 43972, 46820, 54965, 87944, 93640, 109930, 219860, 439720, 25734613, 51469226, 102938452, 128673065, 205876904, 257346130, 514692260, 1029384520]

約数ペア:

[(1, 1029384520), (2, 514692260), (4, 257346130), (5, 205876904), (8, 128673065), (10, 102938452), (20, 51469226), (40, 25734613), (2341, 439720), (4682, 219860), (9364, 109930), (10993, 93640), (11705, 87944), (18728, 54965), (21986, 46820), (23410, 43972)]