40977280

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1551

約数の個数: 64

約数和(自身を含む): 100306800

約数和(自身を除く): 59329520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1489, 1720, 2752, 2978, 3440, 5504, 5956, 6880, 7445, 11912, 13760, 14890, 23824, 27520, 29780, 47648, 59560, 64027, 95296, 119120, 128054, 190592, 238240, 256108, 320135, 476480, 512216, 640270, 952960, 1024432, 1280540, 2048864, 2561080, 4097728, 5122160, 8195456, 10244320, 20488640, 40977280]

約数ペア:

[(1, 40977280), (2, 20488640), (4, 10244320), (5, 8195456), (8, 5122160), (10, 4097728), (16, 2561080), (20, 2048864), (32, 1280540), (40, 1024432), (43, 952960), (64, 640270), (80, 512216), (86, 476480), (128, 320135), (160, 256108), (172, 238240), (215, 190592), (320, 128054), (344, 119120), (430, 95296), (640, 64027), (688, 59560), (860, 47648), (1376, 29780), (1489, 27520), (1720, 23824), (2752, 14890), (2978, 13760), (3440, 11912), (5504, 7445), (5956, 6880)]