438804920

素因数分解:

$2^3\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{8317}}^1$

素因数の和:9647

約数の個数: 32

約数和(自身を含む): 988178400

約数和(自身を除く): 549373480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1319, 2638, 5276, 6595, 8317, 10552, 13190, 16634, 26380, 33268, 41585, 52760, 66536, 83170, 166340, 332680, 10970123, 21940246, 43880492, 54850615, 87760984, 109701230, 219402460, 438804920]

約数ペア:

[(1, 438804920), (2, 219402460), (4, 109701230), (5, 87760984), (8, 54850615), (10, 43880492), (20, 21940246), (40, 10970123), (1319, 332680), (2638, 166340), (5276, 83170), (6595, 66536), (8317, 52760), (10552, 41585), (13190, 33268), (16634, 26380)]