26620720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6791}}^1$

素因数の和:6818

約数の個数: 60

約数和(自身を含む): 72008784

約数和(自身を除く): 45388064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6791, 13582, 27164, 33955, 47537, 54328, 67910, 95074, 108656, 135820, 190148, 237685, 271640, 332759, 380296, 475370, 543280, 665518, 760592, 950740, 1331036, 1663795, 1901480, 2662072, 3327590, 3802960, 5324144, 6655180, 13310360, 26620720]

約数ペア:

[(1, 26620720), (2, 13310360), (4, 6655180), (5, 5324144), (7, 3802960), (8, 3327590), (10, 2662072), (14, 1901480), (16, 1663795), (20, 1331036), (28, 950740), (35, 760592), (40, 665518), (49, 543280), (56, 475370), (70, 380296), (80, 332759), (98, 271640), (112, 237685), (140, 190148), (196, 135820), (245, 108656), (280, 95074), (392, 67910), (490, 54328), (560, 47537), (784, 33955), (980, 27164), (1960, 13582), (3920, 6791)]