80559908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{140839}}^1$

素因数の和:140867

約数の個数: 24

約数和(自身を含む): 165627840

約数和(自身を除く): 85067932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 140839, 281678, 563356, 1549229, 1830907, 3098458, 3661814, 6196916, 7323628, 20139977, 40279954, 80559908]

約数ペア:

[(1, 80559908), (2, 40279954), (4, 20139977), (11, 7323628), (13, 6196916), (22, 3661814), (26, 3098458), (44, 1830907), (52, 1549229), (143, 563356), (286, 281678), (572, 140839)]