28026260

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12401}}^1$

素因数の和:12523

約数の個数: 24

約数和(自身を含む): 59380776

約数和(自身を除く): 31354516

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12401, 24802, 49604, 62005, 124010, 248020, 1401313, 2802626, 5605252, 7006565, 14013130, 28026260]

約数ペア:

[(1, 28026260), (2, 14013130), (4, 7006565), (5, 5605252), (10, 2802626), (20, 1401313), (113, 248020), (226, 124010), (452, 62005), (565, 49604), (1130, 24802), (2260, 12401)]