12627940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 30249072

約数和(自身を除く): 17621132

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2857, 4420, 5714, 11428, 14285, 28570, 37141, 48569, 57140, 74282, 97138, 148564, 185705, 194276, 242845, 371410, 485690, 631397, 742820, 971380, 1262794, 2525588, 3156985, 6313970, 12627940]

約数ペア:

[(1, 12627940), (2, 6313970), (4, 3156985), (5, 2525588), (10, 1262794), (13, 971380), (17, 742820), (20, 631397), (26, 485690), (34, 371410), (52, 242845), (65, 194276), (68, 185705), (85, 148564), (130, 97138), (170, 74282), (221, 57140), (260, 48569), (340, 37141), (442, 28570), (884, 14285), (1105, 11428), (2210, 5714), (2857, 4420)]