85803640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 209432160

約数和(自身を除く): 123628520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1051, 1256, 1570, 2041, 2102, 3140, 4082, 4204, 5255, 6280, 8164, 8408, 10205, 10510, 13663, 16328, 20410, 21020, 27326, 40820, 42040, 54652, 68315, 81640, 109304, 136630, 165007, 273260, 330014, 546520, 660028, 825035, 1320056, 1650070, 2145091, 3300140, 4290182, 6600280, 8580364, 10725455, 17160728, 21450910, 42901820, 85803640]

約数ペア:

[(1, 85803640), (2, 42901820), (4, 21450910), (5, 17160728), (8, 10725455), (10, 8580364), (13, 6600280), (20, 4290182), (26, 3300140), (40, 2145091), (52, 1650070), (65, 1320056), (104, 825035), (130, 660028), (157, 546520), (260, 330014), (314, 273260), (520, 165007), (628, 136630), (785, 109304), (1051, 81640), (1256, 68315), (1570, 54652), (2041, 42040), (2102, 40820), (3140, 27326), (4082, 21020), (4204, 20410), (5255, 16328), (6280, 13663), (8164, 10510), (8408, 10205)]