8171020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 20166048

約数和(自身を除く): 11995028

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2857, 2860, 5714, 11428, 14285, 28570, 31427, 37141, 57140, 62854, 74282, 125708, 148564, 157135, 185705, 314270, 371410, 408551, 628540, 742820, 817102, 1634204, 2042755, 4085510, 8171020]

約数ペア:

[(1, 8171020), (2, 4085510), (4, 2042755), (5, 1634204), (10, 817102), (11, 742820), (13, 628540), (20, 408551), (22, 371410), (26, 314270), (44, 185705), (52, 157135), (55, 148564), (65, 125708), (110, 74282), (130, 62854), (143, 57140), (220, 37141), (260, 31427), (286, 28570), (572, 14285), (715, 11428), (1430, 5714), (2857, 2860)]