56811820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{619}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 129054240

約数和(自身を除く): 72242420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 619, 706, 1238, 1412, 1765, 2476, 3095, 3530, 4589, 6190, 7060, 8047, 9178, 12380, 16094, 18356, 22945, 32188, 40235, 45890, 80470, 91780, 160940, 218507, 437014, 874028, 1092535, 2185070, 2840591, 4370140, 5681182, 11362364, 14202955, 28405910, 56811820]

約数ペア:

[(1, 56811820), (2, 28405910), (4, 14202955), (5, 11362364), (10, 5681182), (13, 4370140), (20, 2840591), (26, 2185070), (52, 1092535), (65, 874028), (130, 437014), (260, 218507), (353, 160940), (619, 91780), (706, 80470), (1238, 45890), (1412, 40235), (1765, 32188), (2476, 22945), (3095, 18356), (3530, 16094), (4589, 12380), (6190, 9178), (7060, 8047)]