85365680

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2141

約数の個数: 40

約数和(自身を含む): 198871200

約数和(自身を除く): 113505520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1319, 1618, 2638, 3236, 4045, 5276, 6472, 6595, 8090, 10552, 12944, 13190, 16180, 21104, 26380, 32360, 52760, 64720, 105520, 1067071, 2134142, 4268284, 5335355, 8536568, 10670710, 17073136, 21341420, 42682840, 85365680]

約数ペア:

[(1, 85365680), (2, 42682840), (4, 21341420), (5, 17073136), (8, 10670710), (10, 8536568), (16, 5335355), (20, 4268284), (40, 2134142), (80, 1067071), (809, 105520), (1319, 64720), (1618, 52760), (2638, 32360), (3236, 26380), (4045, 21104), (5276, 16180), (6472, 13190), (6595, 12944), (8090, 10552)]