7688720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7393}}^1$

素因数の和:7419

約数の個数: 40

約数和(自身を含む): 19253976

約数和(自身を除く): 11565256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7393, 14786, 29572, 36965, 59144, 73930, 96109, 118288, 147860, 192218, 295720, 384436, 480545, 591440, 768872, 961090, 1537744, 1922180, 3844360, 7688720]

約数ペア:

[(1, 7688720), (2, 3844360), (4, 1922180), (5, 1537744), (8, 961090), (10, 768872), (13, 591440), (16, 480545), (20, 384436), (26, 295720), (40, 192218), (52, 147860), (65, 118288), (80, 96109), (104, 73930), (130, 59144), (208, 36965), (260, 29572), (520, 14786), (1040, 7393)]