27888100

素因数分解:

$2^2\times 5^2\times {\mathrm{278881}}^1$

素因数の和:278895

約数の個数: 18

約数和(自身を含む): 60517394

約数和(自身を除く): 32629294

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 278881, 557762, 1115524, 1394405, 2788810, 5577620, 6972025, 13944050, 27888100]

約数ペア:

[(1, 27888100), (2, 13944050), (4, 6972025), (5, 5577620), (10, 2788810), (20, 1394405), (25, 1115524), (50, 557762), (100, 278881)]