8351320

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{743}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 18882720

約数和(自身を除く): 10531400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 743, 1124, 1405, 1486, 2248, 2810, 2972, 3715, 5620, 5944, 7430, 11240, 14860, 29720, 208783, 417566, 835132, 1043915, 1670264, 2087830, 4175660, 8351320]

約数ペア:

[(1, 8351320), (2, 4175660), (4, 2087830), (5, 1670264), (8, 1043915), (10, 835132), (20, 417566), (40, 208783), (281, 29720), (562, 14860), (743, 11240), (1124, 7430), (1405, 5944), (1486, 5620), (2248, 3715), (2810, 2972)]