6686720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{653}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 16068780

約数和(自身を除く): 9382060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 653, 1024, 1280, 1306, 2048, 2560, 2612, 3265, 5120, 5224, 6530, 10240, 10448, 13060, 20896, 26120, 41792, 52240, 83584, 104480, 167168, 208960, 334336, 417920, 668672, 835840, 1337344, 1671680, 3343360, 6686720]

約数ペア:

[(1, 6686720), (2, 3343360), (4, 1671680), (5, 1337344), (8, 835840), (10, 668672), (16, 417920), (20, 334336), (32, 208960), (40, 167168), (64, 104480), (80, 83584), (128, 52240), (160, 41792), (256, 26120), (320, 20896), (512, 13060), (640, 10448), (653, 10240), (1024, 6530), (1280, 5224), (1306, 5120), (2048, 3265), (2560, 2612)]