2905662560

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{70663}}^1$

素因数の和:70935

約数の個数: 48

約数和(自身を含む): 6891435936

約数和(自身を除く): 3985773376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 8224, 10280, 20560, 41120, 70663, 141326, 282652, 353315, 565304, 706630, 1130608, 1413260, 2261216, 2826520, 5653040, 11306080, 18160391, 36320782, 72641564, 90801955, 145283128, 181603910, 290566256, 363207820, 581132512, 726415640, 1452831280, 2905662560]

約数ペア:

[(1, 2905662560), (2, 1452831280), (4, 726415640), (5, 581132512), (8, 363207820), (10, 290566256), (16, 181603910), (20, 145283128), (32, 90801955), (40, 72641564), (80, 36320782), (160, 18160391), (257, 11306080), (514, 5653040), (1028, 2826520), (1285, 2261216), (2056, 1413260), (2570, 1130608), (4112, 706630), (5140, 565304), (8224, 353315), (10280, 282652), (20560, 141326), (41120, 70663)]