9890340280

素因数分解:

$2^3\times 5^1\times {\mathrm{247258507}}^1$

素因数の和:247258518

約数の個数: 16

約数和(自身を含む): 22253265720

約数和(自身を除く): 12362925440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247258507, 494517014, 989034028, 1236292535, 1978068056, 2472585070, 4945170140, 9890340280]

約数ペア:

[(1, 9890340280), (2, 4945170140), (4, 2472585070), (5, 1978068056), (8, 1236292535), (10, 989034028), (20, 494517014), (40, 247258507)]