65590400

素因数分解:

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

素因数の和:326

約数の個数: 96

約数和(自身を含む): 164424000

約数和(自身を除く): 98833600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 128, 160, 199, 200, 206, 320, 398, 400, 412, 515, 640, 796, 800, 824, 995, 1030, 1592, 1600, 1648, 1990, 2060, 2575, 3184, 3200, 3296, 3980, 4120, 4975, 5150, 6368, 6592, 7960, 8240, 9950, 10300, 12736, 13184, 15920, 16480, 19900, 20497, 20600, 25472, 31840, 32960, 39800, 40994, 41200, 63680, 65920, 79600, 81988, 82400, 102485, 127360, 159200, 163976, 164800, 204970, 318400, 327952, 329600, 409940, 512425, 636800, 655904, 819880, 1024850, 1311808, 1639760, 2049700, 2623616, 3279520, 4099400, 6559040, 8198800, 13118080, 16397600, 32795200, 65590400]

約数ペア:

[(1, 65590400), (2, 32795200), (4, 16397600), (5, 13118080), (8, 8198800), (10, 6559040), (16, 4099400), (20, 3279520), (25, 2623616), (32, 2049700), (40, 1639760), (50, 1311808), (64, 1024850), (80, 819880), (100, 655904), (103, 636800), (128, 512425), (160, 409940), (199, 329600), (200, 327952), (206, 318400), (320, 204970), (398, 164800), (400, 163976), (412, 159200), (515, 127360), (640, 102485), (796, 82400), (800, 81988), (824, 79600), (995, 65920), (1030, 63680), (1592, 41200), (1600, 40994), (1648, 39800), (1990, 32960), (2060, 31840), (2575, 25472), (3184, 20600), (3200, 20497), (3296, 19900), (3980, 16480), (4120, 15920), (4975, 13184), (5150, 12736), (6368, 10300), (6592, 9950), (7960, 8240)]