39647780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 85349376

約数和(自身を除く): 45701596

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 191, 194, 214, 382, 388, 428, 485, 535, 764, 955, 970, 1070, 1910, 1940, 2140, 3820, 10379, 18527, 20437, 20758, 37054, 40874, 41516, 51895, 74108, 81748, 92635, 102185, 103790, 185270, 204370, 207580, 370540, 408740, 1982389, 3964778, 7929556, 9911945, 19823890, 39647780]

約数ペア:

[(1, 39647780), (2, 19823890), (4, 9911945), (5, 7929556), (10, 3964778), (20, 1982389), (97, 408740), (107, 370540), (191, 207580), (194, 204370), (214, 185270), (382, 103790), (388, 102185), (428, 92635), (485, 81748), (535, 74108), (764, 51895), (955, 41516), (970, 40874), (1070, 37054), (1910, 20758), (1940, 20437), (2140, 18527), (3820, 10379)]