12808960

素因数分解:

$2^8\times 5^1\times {\mathrm{10007}}^1$

素因数の和:10028

約数の個数: 36

約数和(自身を含む): 30684528

約数和(自身を除く): 17875568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10007, 20014, 40028, 50035, 80056, 100070, 160112, 200140, 320224, 400280, 640448, 800560, 1280896, 1601120, 2561792, 3202240, 6404480, 12808960]

約数ペア:

[(1, 12808960), (2, 6404480), (4, 3202240), (5, 2561792), (8, 1601120), (10, 1280896), (16, 800560), (20, 640448), (32, 400280), (40, 320224), (64, 200140), (80, 160112), (128, 100070), (160, 80056), (256, 50035), (320, 40028), (640, 20014), (1280, 10007)]