28280320

素因数分解:

$2^9\times 5^1\times {\mathrm{11047}}^1$

素因数の和:11070

約数の個数: 40

約数和(自身を含む): 67812624

約数和(自身を除く): 39532304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11047, 22094, 44188, 55235, 88376, 110470, 176752, 220940, 353504, 441880, 707008, 883760, 1414016, 1767520, 2828032, 3535040, 5656064, 7070080, 14140160, 28280320]

約数ペア:

[(1, 28280320), (2, 14140160), (4, 7070080), (5, 5656064), (8, 3535040), (10, 2828032), (16, 1767520), (20, 1414016), (32, 883760), (40, 707008), (64, 441880), (80, 353504), (128, 220940), (160, 176752), (256, 110470), (320, 88376), (512, 55235), (640, 44188), (1280, 22094), (2560, 11047)]