29118520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10253}}^1$

素因数の和:10335

約数の個数: 32

約数和(自身を含む): 66445920

約数和(自身を除く): 37327400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10253, 20506, 41012, 51265, 82024, 102530, 205060, 410120, 727963, 1455926, 2911852, 3639815, 5823704, 7279630, 14559260, 29118520]

約数ペア:

[(1, 29118520), (2, 14559260), (4, 7279630), (5, 5823704), (8, 3639815), (10, 2911852), (20, 1455926), (40, 727963), (71, 410120), (142, 205060), (284, 102530), (355, 82024), (568, 51265), (710, 41012), (1420, 20506), (2840, 10253)]