865430080

素因数分解:

$2^6\times 5^1\times {\mathrm{2704469}}^1$

素因数の和:2704486

約数の個数: 28

約数和(自身を含む): 2060806140

約数和(自身を除く): 1195376060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2704469, 5408938, 10817876, 13522345, 21635752, 27044690, 43271504, 54089380, 86543008, 108178760, 173086016, 216357520, 432715040, 865430080]

約数ペア:

[(1, 865430080), (2, 432715040), (4, 216357520), (5, 173086016), (8, 108178760), (10, 86543008), (16, 54089380), (20, 43271504), (32, 27044690), (40, 21635752), (64, 13522345), (80, 10817876), (160, 5408938), (320, 2704469)]