54786520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2459}}^1$

素因数の和:3027

約数の個数: 32

約数和(自身を含む): 123541200

約数和(自身を除く): 68754680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2459, 2785, 4456, 4918, 5570, 9836, 11140, 12295, 19672, 22280, 24590, 49180, 98360, 1369663, 2739326, 5478652, 6848315, 10957304, 13696630, 27393260, 54786520]

約数ペア:

[(1, 54786520), (2, 27393260), (4, 13696630), (5, 10957304), (8, 6848315), (10, 5478652), (20, 2739326), (40, 1369663), (557, 98360), (1114, 49180), (2228, 24590), (2459, 22280), (2785, 19672), (4456, 12295), (4918, 11140), (5570, 9836)]