28355275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 38764880

約数和(自身を除く): 10409605

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2029, 2795, 10145, 13975, 26377, 50725, 87247, 131885, 436235, 659425, 1134211, 2181175, 5671055, 28355275]

約数ペア:

[(1, 28355275), (5, 5671055), (13, 2181175), (25, 1134211), (43, 659425), (65, 436235), (215, 131885), (325, 87247), (559, 50725), (1075, 26377), (2029, 13975), (2795, 10145)]