127540880

素因数分解:

$2^4\times 5^1\times {\mathrm{1594261}}^1$

素因数の和:1594274

約数の個数: 20

約数和(自身を含む): 296532732

約数和(自身を除く): 168991852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1594261, 3188522, 6377044, 7971305, 12754088, 15942610, 25508176, 31885220, 63770440, 127540880]

約数ペア:

[(1, 127540880), (2, 63770440), (4, 31885220), (5, 25508176), (8, 15942610), (10, 12754088), (16, 7971305), (20, 6377044), (40, 3188522), (80, 1594261)]