56661280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27241}}^1$

素因数の和:27269

約数の個数: 48

約数和(自身を含む): 144164664

約数和(自身を除く): 87503384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 27241, 54482, 108964, 136205, 217928, 272410, 354133, 435856, 544820, 708266, 871712, 1089640, 1416532, 1770665, 2179280, 2833064, 3541330, 4358560, 5666128, 7082660, 11332256, 14165320, 28330640, 56661280]

約数ペア:

[(1, 56661280), (2, 28330640), (4, 14165320), (5, 11332256), (8, 7082660), (10, 5666128), (13, 4358560), (16, 3541330), (20, 2833064), (26, 2179280), (32, 1770665), (40, 1416532), (52, 1089640), (65, 871712), (80, 708266), (104, 544820), (130, 435856), (160, 354133), (208, 272410), (260, 217928), (416, 136205), (520, 108964), (1040, 54482), (2080, 27241)]