127719260

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{9007}}^1$

素因数の和:9725

約数の個数: 24

約数和(自身を含む): 268618560

約数和(自身を除く): 140899300

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 9007, 14180, 18014, 36028, 45035, 90070, 180140, 6385963, 12771926, 25543852, 31929815, 63859630, 127719260]

約数ペア:

[(1, 127719260), (2, 63859630), (4, 31929815), (5, 25543852), (10, 12771926), (20, 6385963), (709, 180140), (1418, 90070), (2836, 45035), (3545, 36028), (7090, 18014), (9007, 14180)]