11807720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1811}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 26745120

約数和(自身を除く): 14937400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1811, 3260, 3622, 6520, 7244, 9055, 14488, 18110, 36220, 72440, 295193, 590386, 1180772, 1475965, 2361544, 2951930, 5903860, 11807720]

約数ペア:

[(1, 11807720), (2, 5903860), (4, 2951930), (5, 2361544), (8, 1475965), (10, 1180772), (20, 590386), (40, 295193), (163, 72440), (326, 36220), (652, 18110), (815, 14488), (1304, 9055), (1630, 7244), (1811, 6520), (3260, 3622)]