17021560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40007520

約数和(自身を除く): 22985960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 107, 164, 194, 205, 214, 328, 388, 410, 428, 485, 535, 776, 820, 856, 970, 1070, 1640, 1940, 2140, 3880, 3977, 4280, 4387, 7954, 8774, 10379, 15908, 17548, 19885, 20758, 21935, 31816, 35096, 39770, 41516, 43870, 51895, 79540, 83032, 87740, 103790, 159080, 175480, 207580, 415160, 425539, 851078, 1702156, 2127695, 3404312, 4255390, 8510780, 17021560]

約数ペア:

[(1, 17021560), (2, 8510780), (4, 4255390), (5, 3404312), (8, 2127695), (10, 1702156), (20, 851078), (40, 425539), (41, 415160), (82, 207580), (97, 175480), (107, 159080), (164, 103790), (194, 87740), (205, 83032), (214, 79540), (328, 51895), (388, 43870), (410, 41516), (428, 39770), (485, 35096), (535, 31816), (776, 21935), (820, 20758), (856, 19885), (970, 17548), (1070, 15908), (1640, 10379), (1940, 8774), (2140, 7954), (3880, 4387), (3977, 4280)]