2971280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2883

約数の個数: 40

約数和(自身を含む): 7442232

約数和(自身を除く): 4470952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2857, 5714, 11428, 14285, 22856, 28570, 37141, 45712, 57140, 74282, 114280, 148564, 185705, 228560, 297128, 371410, 594256, 742820, 1485640, 2971280]

約数ペア:

[(1, 2971280), (2, 1485640), (4, 742820), (5, 594256), (8, 371410), (10, 297128), (13, 228560), (16, 185705), (20, 148564), (26, 114280), (40, 74282), (52, 57140), (65, 45712), (80, 37141), (104, 28570), (130, 22856), (208, 14285), (260, 11428), (520, 5714), (1040, 2857)]