1040778820

素因数分解:

$2^2\times 5^1\times {\mathrm{2719}}^1\times {\mathrm{19139}}^1$

素因数の和:21867

約数の個数: 24

約数和(自身を含む): 2186553600

約数和(自身を除く): 1145774780

約数列:

[1, 2, 4, 5, 10, 20, 2719, 5438, 10876, 13595, 19139, 27190, 38278, 54380, 76556, 95695, 191390, 382780, 52038941, 104077882, 208155764, 260194705, 520389410, 1040778820]

約数ペア:

[(1, 1040778820), (2, 520389410), (4, 260194705), (5, 208155764), (10, 104077882), (20, 52038941), (2719, 382780), (5438, 191390), (10876, 95695), (13595, 76556), (19139, 54380), (27190, 38278)]