12643420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21799}}^1$

素因数の和:21837

約数の個数: 24

約数和(自身を含む): 27468000

約数和(自身を除く): 14824580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21799, 43598, 87196, 108995, 217990, 435980, 632171, 1264342, 2528684, 3160855, 6321710, 12643420]

約数ペア:

[(1, 12643420), (2, 6321710), (4, 3160855), (5, 2528684), (10, 1264342), (20, 632171), (29, 435980), (58, 217990), (116, 108995), (145, 87196), (290, 43598), (580, 21799)]