39967460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 90853056

約数和(自身を除く): 50885596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 347, 443, 694, 886, 1388, 1735, 1772, 2215, 3470, 4430, 4511, 5759, 6940, 8860, 9022, 11518, 18044, 22555, 23036, 28795, 45110, 57590, 90220, 115180, 153721, 307442, 614884, 768605, 1537210, 1998373, 3074420, 3996746, 7993492, 9991865, 19983730, 39967460]

約数ペア:

[(1, 39967460), (2, 19983730), (4, 9991865), (5, 7993492), (10, 3996746), (13, 3074420), (20, 1998373), (26, 1537210), (52, 768605), (65, 614884), (130, 307442), (260, 153721), (347, 115180), (443, 90220), (694, 57590), (886, 45110), (1388, 28795), (1735, 23036), (1772, 22555), (2215, 18044), (3470, 11518), (4430, 9022), (4511, 8860), (5759, 6940)]