28713040

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{947}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 67004640

約数和(自身を除く): 38291600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 947, 1516, 1894, 1895, 3032, 3788, 3790, 4735, 6064, 7576, 7580, 9470, 15152, 15160, 18940, 30320, 37880, 75760, 358913, 717826, 1435652, 1794565, 2871304, 3589130, 5742608, 7178260, 14356520, 28713040]

約数ペア:

[(1, 28713040), (2, 14356520), (4, 7178260), (5, 5742608), (8, 3589130), (10, 2871304), (16, 1794565), (20, 1435652), (40, 717826), (80, 358913), (379, 75760), (758, 37880), (947, 30320), (1516, 18940), (1894, 15160), (1895, 15152), (3032, 9470), (3788, 7580), (3790, 7576), (4735, 6064)]