13252520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19489}}^1$

素因数の和:19517

約数の個数: 32

約数和(自身を含む): 31573800

約数和(自身を除く): 18321280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19489, 38978, 77956, 97445, 155912, 194890, 331313, 389780, 662626, 779560, 1325252, 1656565, 2650504, 3313130, 6626260, 13252520]

約数ペア:

[(1, 13252520), (2, 6626260), (4, 3313130), (5, 2650504), (8, 1656565), (10, 1325252), (17, 779560), (20, 662626), (34, 389780), (40, 331313), (68, 194890), (85, 155912), (136, 97445), (170, 77956), (340, 38978), (680, 19489)]