7966720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 52

約数和(自身を含む): 19166940

約数和(自身を除く): 11200220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 512, 640, 778, 1024, 1280, 1556, 1945, 2048, 2560, 3112, 3890, 4096, 5120, 6224, 7780, 10240, 12448, 15560, 20480, 24896, 31120, 49792, 62240, 99584, 124480, 199168, 248960, 398336, 497920, 796672, 995840, 1593344, 1991680, 3983360, 7966720]

約数ペア:

[(1, 7966720), (2, 3983360), (4, 1991680), (5, 1593344), (8, 995840), (10, 796672), (16, 497920), (20, 398336), (32, 248960), (40, 199168), (64, 124480), (80, 99584), (128, 62240), (160, 49792), (256, 31120), (320, 24896), (389, 20480), (512, 15560), (640, 12448), (778, 10240), (1024, 7780), (1280, 6224), (1556, 5120), (1945, 4096), (2048, 3890), (2560, 3112)]