89916160

素因数分解:

$2^8\times 5^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 217072800

約数和(自身を除く): 127156640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 353, 398, 640, 706, 796, 995, 1280, 1412, 1592, 1765, 1990, 2824, 3184, 3530, 3980, 5648, 6368, 7060, 7960, 11296, 12736, 14120, 15920, 22592, 25472, 28240, 31840, 45184, 50944, 56480, 63680, 70247, 90368, 112960, 127360, 140494, 225920, 254720, 280988, 351235, 451840, 561976, 702470, 1123952, 1404940, 2247904, 2809880, 4495808, 5619760, 8991616, 11239520, 17983232, 22479040, 44958080, 89916160]

約数ペア:

[(1, 89916160), (2, 44958080), (4, 22479040), (5, 17983232), (8, 11239520), (10, 8991616), (16, 5619760), (20, 4495808), (32, 2809880), (40, 2247904), (64, 1404940), (80, 1123952), (128, 702470), (160, 561976), (199, 451840), (256, 351235), (320, 280988), (353, 254720), (398, 225920), (640, 140494), (706, 127360), (796, 112960), (995, 90368), (1280, 70247), (1412, 63680), (1592, 56480), (1765, 50944), (1990, 45184), (2824, 31840), (3184, 28240), (3530, 25472), (3980, 22592), (5648, 15920), (6368, 14120), (7060, 12736), (7960, 11296)]