80715520

素因数分解:

$2^8\times 5^1\times {\mathrm{63059}}^1$

素因数の和:63080

約数の個数: 36

約数和(自身を含む): 193341960

約数和(自身を除く): 112626440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 63059, 126118, 252236, 315295, 504472, 630590, 1008944, 1261180, 2017888, 2522360, 4035776, 5044720, 8071552, 10089440, 16143104, 20178880, 40357760, 80715520]

約数ペア:

[(1, 80715520), (2, 40357760), (4, 20178880), (5, 16143104), (8, 10089440), (10, 8071552), (16, 5044720), (20, 4035776), (32, 2522360), (40, 2017888), (64, 1261180), (80, 1008944), (128, 630590), (160, 504472), (256, 315295), (320, 252236), (640, 126118), (1280, 63059)]