8870140

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{673}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 18683280

約数和(自身を除く): 9813140

約数列:

[1, 2, 4, 5, 10, 20, 659, 673, 1318, 1346, 2636, 2692, 3295, 3365, 6590, 6730, 13180, 13460, 443507, 887014, 1774028, 2217535, 4435070, 8870140]

約数ペア:

[(1, 8870140), (2, 4435070), (4, 2217535), (5, 1774028), (10, 887014), (20, 443507), (659, 13460), (673, 13180), (1318, 6730), (1346, 6590), (2636, 3365), (2692, 3295)]