30020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 67200

約数和(自身を除く): 37180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020]

約数ペア:

[(1, 30020), (2, 15010), (4, 7505), (5, 6004), (10, 3002), (19, 1580), (20, 1501), (38, 790), (76, 395), (79, 380), (95, 316), (158, 190)]