71192020

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4523}}^1$

素因数の和:5319

約数の個数: 24

約数和(自身を含む): 149726304

約数和(自身を除く): 78534284

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 4523, 7870, 9046, 15740, 18092, 22615, 45230, 90460, 3559601, 7119202, 14238404, 17798005, 35596010, 71192020]

約数ペア:

[(1, 71192020), (2, 35596010), (4, 17798005), (5, 14238404), (10, 7119202), (20, 3559601), (787, 90460), (1574, 45230), (3148, 22615), (3935, 18092), (4523, 15740), (7870, 9046)]