28809740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{27179}}^1$

素因数の和:27241

約数の個数: 24

約数和(自身を含む): 61644240

約数和(自身を除く): 32834500

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 27179, 54358, 108716, 135895, 271790, 543580, 1440487, 2880974, 5761948, 7202435, 14404870, 28809740]

約数ペア:

[(1, 28809740), (2, 14404870), (4, 7202435), (5, 5761948), (10, 2880974), (20, 1440487), (53, 543580), (106, 271790), (212, 135895), (265, 108716), (530, 54358), (1060, 27179)]