218208640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26227}}^1$

素因数の和:26259

約数の個数: 64

約数和(自身を含む): 561803760

約数和(自身を除く): 343595120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 26227, 52454, 104908, 131135, 209816, 262270, 340951, 419632, 524540, 681902, 839264, 1049080, 1363804, 1678528, 1704755, 2098160, 2727608, 3357056, 3409510, 4196320, 5455216, 6819020, 8392640, 10910432, 13638040, 16785280, 21820864, 27276080, 43641728, 54552160, 109104320, 218208640]

約数ペア:

[(1, 218208640), (2, 109104320), (4, 54552160), (5, 43641728), (8, 27276080), (10, 21820864), (13, 16785280), (16, 13638040), (20, 10910432), (26, 8392640), (32, 6819020), (40, 5455216), (52, 4196320), (64, 3409510), (65, 3357056), (80, 2727608), (104, 2098160), (128, 1704755), (130, 1678528), (160, 1363804), (208, 1049080), (260, 839264), (320, 681902), (416, 524540), (520, 419632), (640, 340951), (832, 262270), (1040, 209816), (1664, 131135), (2080, 104908), (4160, 52454), (8320, 26227)]