4080647846620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1\times {\mathrm{1980301}}^1$

素因数の和:1981030

約数の個数: 48

約数和(自身を含む): 8629332310368

約数和(自身を除く): 4548684463748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 523, 788, 985, 1046, 1970, 2092, 2615, 3940, 5230, 10460, 103031, 206062, 412124, 515155, 1030310, 1980301, 2060620, 3960602, 7921204, 9901505, 19803010, 39606020, 390119297, 780238594, 1035697423, 1560477188, 1950596485, 2071394846, 3901192970, 4142789692, 5178487115, 7802385940, 10356974230, 20713948460, 204032392331, 408064784662, 816129569324, 1020161961655, 2040323923310, 4080647846620]

約数ペア:

[(1, 4080647846620), (2, 2040323923310), (4, 1020161961655), (5, 816129569324), (10, 408064784662), (20, 204032392331), (197, 20713948460), (394, 10356974230), (523, 7802385940), (788, 5178487115), (985, 4142789692), (1046, 3901192970), (1970, 2071394846), (2092, 1950596485), (2615, 1560477188), (3940, 1035697423), (5230, 780238594), (10460, 390119297), (103031, 39606020), (206062, 19803010), (412124, 9901505), (515155, 7921204), (1030310, 3960602), (1980301, 2060620)]