28208240

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{701}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 65808288

約数和(自身を除く): 37600048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 701, 1006, 1402, 2012, 2515, 2804, 3505, 4024, 5030, 5608, 7010, 8048, 10060, 11216, 14020, 20120, 28040, 40240, 56080, 352603, 705206, 1410412, 1763015, 2820824, 3526030, 5641648, 7052060, 14104120, 28208240]

約数ペア:

[(1, 28208240), (2, 14104120), (4, 7052060), (5, 5641648), (8, 3526030), (10, 2820824), (16, 1763015), (20, 1410412), (40, 705206), (80, 352603), (503, 56080), (701, 40240), (1006, 28040), (1402, 20120), (2012, 14020), (2515, 11216), (2804, 10060), (3505, 8048), (4024, 7010), (5030, 5608)]