16388378240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1969757}}^1$

素因数の和:1969789

約数の個数: 64

約数和(自身を含む): 42192216360

約数和(自身を除く): 25803838120

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, 1969757, 3939514, 7879028, 9848785, 15758056, 19697570, 25606841, 31516112, 39395140, 51213682, 63032224, 78790280, 102427364, 126064448, 128034205, 157580560, 204854728, 252128896, 256068410, 315161120, 409709456, 512136820, 630322240, 819418912, 1024273640, 1260644480, 1638837824, 2048547280, 3277675648, 4097094560, 8194189120, 16388378240]

約数ペア:

[(1, 16388378240), (2, 8194189120), (4, 4097094560), (5, 3277675648), (8, 2048547280), (10, 1638837824), (13, 1260644480), (16, 1024273640), (20, 819418912), (26, 630322240), (32, 512136820), (40, 409709456), (52, 315161120), (64, 256068410), (65, 252128896), (80, 204854728), (104, 157580560), (128, 128034205), (130, 126064448), (160, 102427364), (208, 78790280), (260, 63032224), (320, 51213682), (416, 39395140), (520, 31516112), (640, 25606841), (832, 19697570), (1040, 15758056), (1664, 9848785), (2080, 7879028), (4160, 3939514), (8320, 1969757)]