39989620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 93014208

約数和(自身を除く): 53024588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2713, 2948, 3685, 5426, 7370, 10852, 13565, 14740, 27130, 29843, 54260, 59686, 119372, 149215, 181771, 298430, 363542, 596860, 727084, 908855, 1817710, 1999481, 3635420, 3998962, 7997924, 9997405, 19994810, 39989620]

約数ペア:

[(1, 39989620), (2, 19994810), (4, 9997405), (5, 7997924), (10, 3998962), (11, 3635420), (20, 1999481), (22, 1817710), (44, 908855), (55, 727084), (67, 596860), (110, 363542), (134, 298430), (220, 181771), (268, 149215), (335, 119372), (670, 59686), (737, 54260), (1340, 29843), (1474, 27130), (2713, 14740), (2948, 13565), (3685, 10852), (5426, 7370)]