13118080

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 31824000

約数和(自身を除く): 18705920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 199, 206, 320, 398, 412, 515, 640, 796, 824, 995, 1030, 1592, 1648, 1990, 2060, 3184, 3296, 3980, 4120, 6368, 6592, 7960, 8240, 12736, 13184, 15920, 16480, 20497, 25472, 31840, 32960, 40994, 63680, 65920, 81988, 102485, 127360, 163976, 204970, 327952, 409940, 655904, 819880, 1311808, 1639760, 2623616, 3279520, 6559040, 13118080]

約数ペア:

[(1, 13118080), (2, 6559040), (4, 3279520), (5, 2623616), (8, 1639760), (10, 1311808), (16, 819880), (20, 655904), (32, 409940), (40, 327952), (64, 204970), (80, 163976), (103, 127360), (128, 102485), (160, 81988), (199, 65920), (206, 63680), (320, 40994), (398, 32960), (412, 31840), (515, 25472), (640, 20497), (796, 16480), (824, 15920), (995, 13184), (1030, 12736), (1592, 8240), (1648, 7960), (1990, 6592), (2060, 6368), (3184, 4120), (3296, 3980)]