869320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 1984320

約数和(自身を除く): 1115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 211, 412, 422, 515, 824, 844, 1030, 1055, 1688, 2060, 2110, 4120, 4220, 8440, 21733, 43466, 86932, 108665, 173864, 217330, 434660, 869320]

約数ペア:

[(1, 869320), (2, 434660), (4, 217330), (5, 173864), (8, 108665), (10, 86932), (20, 43466), (40, 21733), (103, 8440), (206, 4220), (211, 4120), (412, 2110), (422, 2060), (515, 1688), (824, 1055), (844, 1030)]