4789420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2371}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 10161648

約数和(自身を除く): 5372228

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 2371, 4742, 9484, 11855, 23710, 47420, 239471, 478942, 957884, 1197355, 2394710, 4789420]

約数ペア:

[(1, 4789420), (2, 2394710), (4, 1197355), (5, 957884), (10, 478942), (20, 239471), (101, 47420), (202, 23710), (404, 11855), (505, 9484), (1010, 4742), (2020, 2371)]