12645740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21803}}^1$

素因数の和:21841

約数の個数: 24

約数和(自身を含む): 27473040

約数和(自身を除く): 14827300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21803, 43606, 87212, 109015, 218030, 436060, 632287, 1264574, 2529148, 3161435, 6322870, 12645740]

約数ペア:

[(1, 12645740), (2, 6322870), (4, 3161435), (5, 2529148), (10, 1264574), (20, 632287), (29, 436060), (58, 218030), (116, 109015), (145, 87212), (290, 43606), (580, 21803)]