42682840

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 96228000

約数和(自身を除く): 53545160

約数列:

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

約数ペア:

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