27940120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53731}}^1$

素因数の和:53755

約数の個数: 32

約数和(自身を含む): 67702320

約数和(自身を除く): 39762200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53731, 107462, 214924, 268655, 429848, 537310, 698503, 1074620, 1397006, 2149240, 2794012, 3492515, 5588024, 6985030, 13970060, 27940120]

約数ペア:

[(1, 27940120), (2, 13970060), (4, 6985030), (5, 5588024), (8, 3492515), (10, 2794012), (13, 2149240), (20, 1397006), (26, 1074620), (40, 698503), (52, 537310), (65, 429848), (104, 268655), (130, 214924), (260, 107462), (520, 53731)]