39987160

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6133}}^1$

素因数の和:6307

約数の個数: 32

約数和(自身を含む): 90537840

約数和(自身を除く): 50550680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6133, 6520, 12266, 24532, 30665, 49064, 61330, 122660, 245320, 999679, 1999358, 3998716, 4998395, 7997432, 9996790, 19993580, 39987160]

約数ペア:

[(1, 39987160), (2, 19993580), (4, 9996790), (5, 7997432), (8, 4998395), (10, 3998716), (20, 1999358), (40, 999679), (163, 245320), (326, 122660), (652, 61330), (815, 49064), (1304, 30665), (1630, 24532), (3260, 12266), (6133, 6520)]