206886160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198929}}^1$

素因数の和:198955

約数の個数: 40

約数和(自身を含む): 518013720

約数和(自身を除く): 311127560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 198929, 397858, 795716, 994645, 1591432, 1989290, 2586077, 3182864, 3978580, 5172154, 7957160, 10344308, 12930385, 15914320, 20688616, 25860770, 41377232, 51721540, 103443080, 206886160]

約数ペア:

[(1, 206886160), (2, 103443080), (4, 51721540), (5, 41377232), (8, 25860770), (10, 20688616), (13, 15914320), (16, 12930385), (20, 10344308), (26, 7957160), (40, 5172154), (52, 3978580), (65, 3182864), (80, 2586077), (104, 1989290), (130, 1591432), (208, 994645), (260, 795716), (520, 397858), (1040, 198929)]