8714840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 19716480

約数和(自身を除く): 11001640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 977, 1115, 1784, 1954, 2230, 3908, 4460, 4885, 7816, 8920, 9770, 19540, 39080, 217871, 435742, 871484, 1089355, 1742968, 2178710, 4357420, 8714840]

約数ペア:

[(1, 8714840), (2, 4357420), (4, 2178710), (5, 1742968), (8, 1089355), (10, 871484), (20, 435742), (40, 217871), (223, 39080), (446, 19540), (892, 9770), (977, 8920), (1115, 7816), (1784, 4885), (1954, 4460), (2230, 3908)]