28763080

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2003}}^1$

素因数の和:2373

約数の個数: 32

約数和(自身を含む): 64929600

約数和(自身を除く): 36166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2003, 2872, 3590, 4006, 7180, 8012, 10015, 14360, 16024, 20030, 40060, 80120, 719077, 1438154, 2876308, 3595385, 5752616, 7190770, 14381540, 28763080]

約数ペア:

[(1, 28763080), (2, 14381540), (4, 7190770), (5, 5752616), (8, 3595385), (10, 2876308), (20, 1438154), (40, 719077), (359, 80120), (718, 40060), (1436, 20030), (1795, 16024), (2003, 14360), (2872, 10015), (3590, 8012), (4006, 7180)]