5132140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19739}}^1$

素因数の和:19761

約数の個数: 24

約数和(自身を含む): 11607120

約数和(自身を除く): 6474980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19739, 39478, 78956, 98695, 197390, 256607, 394780, 513214, 1026428, 1283035, 2566070, 5132140]

約数ペア:

[(1, 5132140), (2, 2566070), (4, 1283035), (5, 1026428), (10, 513214), (13, 394780), (20, 256607), (26, 197390), (52, 98695), (65, 78956), (130, 39478), (260, 19739)]