142121240

素因数分解:

$2^3\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{2731}}^1$

素因数の和:4043

約数の個数: 32

約数和(自身を含む): 320135760

約数和(自身を除く): 178014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1301, 2602, 2731, 5204, 5462, 6505, 10408, 10924, 13010, 13655, 21848, 26020, 27310, 52040, 54620, 109240, 3553031, 7106062, 14212124, 17765155, 28424248, 35530310, 71060620, 142121240]

約数ペア:

[(1, 142121240), (2, 71060620), (4, 35530310), (5, 28424248), (8, 17765155), (10, 14212124), (20, 7106062), (40, 3553031), (1301, 109240), (2602, 54620), (2731, 52040), (5204, 27310), (5462, 26020), (6505, 21848), (10408, 13655), (10924, 13010)]