2077162480

素因数分解:

$2^4\times 5^1\times {\mathrm{25964531}}^1$

素因数の和:25964544

約数の個数: 20

約数和(自身を含む): 4829402952

約数和(自身を除く): 2752240472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25964531, 51929062, 103858124, 129822655, 207716248, 259645310, 415432496, 519290620, 1038581240, 2077162480]

約数ペア:

[(1, 2077162480), (2, 1038581240), (4, 519290620), (5, 415432496), (8, 259645310), (10, 207716248), (16, 129822655), (20, 103858124), (40, 51929062), (80, 25964531)]