28700330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40423}}^1$

素因数の和:40501

約数の個数: 16

約数和(自身を含む): 52389504

約数和(自身を除く): 23689174

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40423, 80846, 202115, 404230, 2870033, 5740066, 14350165, 28700330]

約数ペア:

[(1, 28700330), (2, 14350165), (5, 5740066), (10, 2870033), (71, 404230), (142, 202115), (355, 80846), (710, 40423)]