12402140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21383}}^1$

素因数の和:21421

約数の個数: 24

約数和(自身を含む): 26943840

約数和(自身を除く): 14541700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21383, 42766, 85532, 106915, 213830, 427660, 620107, 1240214, 2480428, 3100535, 6201070, 12402140]

約数ペア:

[(1, 12402140), (2, 6201070), (4, 3100535), (5, 2480428), (10, 1240214), (20, 620107), (29, 427660), (58, 213830), (116, 106915), (145, 85532), (290, 42766), (580, 21383)]