8422780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2789}}^1$

素因数の和:2949

約数の個数: 24

約数和(自身を含む): 17811360

約数和(自身を除く): 9388580

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2789, 3020, 5578, 11156, 13945, 27890, 55780, 421139, 842278, 1684556, 2105695, 4211390, 8422780]

約数ペア:

[(1, 8422780), (2, 4211390), (4, 2105695), (5, 1684556), (10, 842278), (20, 421139), (151, 55780), (302, 27890), (604, 13945), (755, 11156), (1510, 5578), (2789, 3020)]