17339720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 40748400

約数和(自身を除く): 23408680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 97, 109, 164, 194, 205, 218, 328, 388, 410, 436, 485, 545, 776, 820, 872, 970, 1090, 1640, 1940, 2180, 3880, 3977, 4360, 4469, 7954, 8938, 10573, 15908, 17876, 19885, 21146, 22345, 31816, 35752, 39770, 42292, 44690, 52865, 79540, 84584, 89380, 105730, 159080, 178760, 211460, 422920, 433493, 866986, 1733972, 2167465, 3467944, 4334930, 8669860, 17339720]

約数ペア:

[(1, 17339720), (2, 8669860), (4, 4334930), (5, 3467944), (8, 2167465), (10, 1733972), (20, 866986), (40, 433493), (41, 422920), (82, 211460), (97, 178760), (109, 159080), (164, 105730), (194, 89380), (205, 84584), (218, 79540), (328, 52865), (388, 44690), (410, 42292), (436, 39770), (485, 35752), (545, 31816), (776, 22345), (820, 21146), (872, 19885), (970, 17876), (1090, 15908), (1640, 10573), (1940, 8938), (2180, 7954), (3880, 4469), (3977, 4360)]