201979280

素因数分解:

$2^4\times 5^1\times {\mathrm{2524741}}^1$

素因数の和:2524754

約数の個数: 20

約数和(自身を含む): 469602012

約数和(自身を除く): 267622732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524741, 5049482, 10098964, 12623705, 20197928, 25247410, 40395856, 50494820, 100989640, 201979280]

約数ペア:

[(1, 201979280), (2, 100989640), (4, 50494820), (5, 40395856), (8, 25247410), (10, 20197928), (16, 12623705), (20, 10098964), (40, 5049482), (80, 2524741)]