127908020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{26759}}^1$

素因数の和:27007

約数の個数: 24

約数和(自身を含む): 269740800

約数和(自身を除く): 141832780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 26759, 53518, 107036, 133795, 267590, 535180, 6395401, 12790802, 25581604, 31977005, 63954010, 127908020]

約数ペア:

[(1, 127908020), (2, 63954010), (4, 31977005), (5, 25581604), (10, 12790802), (20, 6395401), (239, 535180), (478, 267590), (956, 133795), (1195, 107036), (2390, 53518), (4780, 26759)]