16397600

素因数分解:

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

素因数の和:322

約数の個数: 72

約数和(自身を含む): 40622400

約数和(自身を除く): 24224800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 199, 200, 206, 398, 400, 412, 515, 796, 800, 824, 995, 1030, 1592, 1648, 1990, 2060, 2575, 3184, 3296, 3980, 4120, 4975, 5150, 6368, 7960, 8240, 9950, 10300, 15920, 16480, 19900, 20497, 20600, 31840, 39800, 40994, 41200, 79600, 81988, 82400, 102485, 159200, 163976, 204970, 327952, 409940, 512425, 655904, 819880, 1024850, 1639760, 2049700, 3279520, 4099400, 8198800, 16397600]

約数ペア:

[(1, 16397600), (2, 8198800), (4, 4099400), (5, 3279520), (8, 2049700), (10, 1639760), (16, 1024850), (20, 819880), (25, 655904), (32, 512425), (40, 409940), (50, 327952), (80, 204970), (100, 163976), (103, 159200), (160, 102485), (199, 82400), (200, 81988), (206, 79600), (398, 41200), (400, 40994), (412, 39800), (515, 31840), (796, 20600), (800, 20497), (824, 19900), (995, 16480), (1030, 15920), (1592, 10300), (1648, 9950), (1990, 8240), (2060, 7960), (2575, 6368), (3184, 5150), (3296, 4975), (3980, 4120)]