28318900

素因数分解:

$2^2\times 5^2\times {\mathrm{503}}^1\times {\mathrm{563}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 61683552

約数和(自身を除く): 33364652

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 503, 563, 1006, 1126, 2012, 2252, 2515, 2815, 5030, 5630, 10060, 11260, 12575, 14075, 25150, 28150, 50300, 56300, 283189, 566378, 1132756, 1415945, 2831890, 5663780, 7079725, 14159450, 28318900]

約数ペア:

[(1, 28318900), (2, 14159450), (4, 7079725), (5, 5663780), (10, 2831890), (20, 1415945), (25, 1132756), (50, 566378), (100, 283189), (503, 56300), (563, 50300), (1006, 28150), (1126, 25150), (2012, 14075), (2252, 12575), (2515, 11260), (2815, 10060), (5030, 5630)]