27958820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13841}}^1$

素因数の和:13951

約数の個数: 24

約数和(自身を含む): 59299128

約数和(自身を除く): 31340308

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 13841, 27682, 55364, 69205, 138410, 276820, 1397941, 2795882, 5591764, 6989705, 13979410, 27958820]

約数ペア:

[(1, 27958820), (2, 13979410), (4, 6989705), (5, 5591764), (10, 2795882), (20, 1397941), (101, 276820), (202, 138410), (404, 69205), (505, 55364), (1010, 27682), (2020, 13841)]