90805390

素因数分解:

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

素因数の和:53764

約数の個数: 24

約数和(自身を含む): 176993208

約数和(自身を除く): 86187818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53731, 107462, 268655, 537310, 698503, 1397006, 3492515, 6985030, 9080539, 18161078, 45402695, 90805390]

約数ペア:

[(1, 90805390), (2, 45402695), (5, 18161078), (10, 9080539), (13, 6985030), (26, 3492515), (65, 1397006), (130, 698503), (169, 537310), (338, 268655), (845, 107462), (1690, 53731)]