135509620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{76129}}^1$

素因数の和:76227

約数の個数: 24

約数和(自身を含む): 287771400

約数和(自身を除く): 152261780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 76129, 152258, 304516, 380645, 761290, 1522580, 6775481, 13550962, 27101924, 33877405, 67754810, 135509620]

約数ペア:

[(1, 135509620), (2, 67754810), (4, 33877405), (5, 27101924), (10, 13550962), (20, 6775481), (89, 1522580), (178, 761290), (356, 380645), (445, 304516), (890, 152258), (1780, 76129)]