56640800

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:822

約数の個数: 72

約数和(自身を含む): 139842612

約数和(自身を除く): 83201812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 701, 800, 808, 1010, 1402, 1616, 2020, 2525, 2804, 3232, 3505, 4040, 5050, 5608, 7010, 8080, 10100, 11216, 14020, 16160, 17525, 20200, 22432, 28040, 35050, 40400, 56080, 70100, 70801, 80800, 112160, 140200, 141602, 280400, 283204, 354005, 560800, 566408, 708010, 1132816, 1416020, 1770025, 2265632, 2832040, 3540050, 5664080, 7080100, 11328160, 14160200, 28320400, 56640800]

約数ペア:

[(1, 56640800), (2, 28320400), (4, 14160200), (5, 11328160), (8, 7080100), (10, 5664080), (16, 3540050), (20, 2832040), (25, 2265632), (32, 1770025), (40, 1416020), (50, 1132816), (80, 708010), (100, 566408), (101, 560800), (160, 354005), (200, 283204), (202, 280400), (400, 141602), (404, 140200), (505, 112160), (701, 80800), (800, 70801), (808, 70100), (1010, 56080), (1402, 40400), (1616, 35050), (2020, 28040), (2525, 22432), (2804, 20200), (3232, 17525), (3505, 16160), (4040, 14020), (5050, 11216), (5608, 10100), (7010, 8080)]