416288020

素因数分解:

$2^2\times 5^1\times {\mathrm{4019}}^1\times {\mathrm{5179}}^1$

素因数の和:9207

約数の個数: 24

約数和(自身を含む): 874591200

約数和(自身を除く): 458303180

約数列:

[1, 2, 4, 5, 10, 20, 4019, 5179, 8038, 10358, 16076, 20095, 20716, 25895, 40190, 51790, 80380, 103580, 20814401, 41628802, 83257604, 104072005, 208144010, 416288020]

約数ペア:

[(1, 416288020), (2, 208144010), (4, 104072005), (5, 83257604), (10, 41628802), (20, 20814401), (4019, 103580), (5179, 80380), (8038, 51790), (10358, 40190), (16076, 25895), (20095, 20716)]