202164040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388777}}^1$

素因数の和:388801

約数の個数: 32

約数和(自身を含む): 489860280

約数和(自身を除く): 287696240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388777, 777554, 1555108, 1943885, 3110216, 3887770, 5054101, 7775540, 10108202, 15551080, 20216404, 25270505, 40432808, 50541010, 101082020, 202164040]

約数ペア:

[(1, 202164040), (2, 101082020), (4, 50541010), (5, 40432808), (8, 25270505), (10, 20216404), (13, 15551080), (20, 10108202), (26, 7775540), (40, 5054101), (52, 3887770), (65, 3110216), (104, 1943885), (130, 1555108), (260, 777554), (520, 388777)]