54864020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144379}}^1$

素因数の和:144407

約数の個数: 24

約数和(自身を含む): 121279200

約数和(自身を除く): 66415180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 144379, 288758, 577516, 721895, 1443790, 2743201, 2887580, 5486402, 10972804, 13716005, 27432010, 54864020]

約数ペア:

[(1, 54864020), (2, 27432010), (4, 13716005), (5, 10972804), (10, 5486402), (19, 2887580), (20, 2743201), (38, 1443790), (76, 721895), (95, 577516), (190, 288758), (380, 144379)]