779992960

素因数分解:

$2^7\times 5^1\times {\mathrm{1218739}}^1$

素因数の和:1218758

約数の個数: 32

約数和(自身を含む): 1864672200

約数和(自身を除く): 1084679240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1218739, 2437478, 4874956, 6093695, 9749912, 12187390, 19499824, 24374780, 38999648, 48749560, 77999296, 97499120, 155998592, 194998240, 389996480, 779992960]

約数ペア:

[(1, 779992960), (2, 389996480), (4, 194998240), (5, 155998592), (8, 97499120), (10, 77999296), (16, 48749560), (20, 38999648), (32, 24374780), (40, 19499824), (64, 12187390), (80, 9749912), (128, 6093695), (160, 4874956), (320, 2437478), (640, 1218739)]