74981140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{288389}}^1$

素因数の和:288411

約数の個数: 24

約数和(自身を含む): 169573320

約数和(自身を除く): 94592180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 288389, 576778, 1153556, 1441945, 2883890, 3749057, 5767780, 7498114, 14996228, 18745285, 37490570, 74981140]

約数ペア:

[(1, 74981140), (2, 37490570), (4, 18745285), (5, 14996228), (10, 7498114), (13, 5767780), (20, 3749057), (26, 2883890), (52, 1441945), (65, 1153556), (130, 576778), (260, 288389)]