39886880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 104182848

約数和(自身を除く): 64295968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 131, 160, 173, 176, 220, 262, 346, 352, 440, 524, 655, 692, 865, 880, 1048, 1310, 1384, 1441, 1730, 1760, 1903, 2096, 2620, 2768, 2882, 3460, 3806, 4192, 5240, 5536, 5764, 6920, 7205, 7612, 9515, 10480, 11528, 13840, 14410, 15224, 19030, 20960, 22663, 23056, 27680, 28820, 30448, 38060, 45326, 46112, 57640, 60896, 76120, 90652, 113315, 115280, 152240, 181304, 226630, 230560, 249293, 304480, 362608, 453260, 498586, 725216, 906520, 997172, 1246465, 1813040, 1994344, 2492930, 3626080, 3988688, 4985860, 7977376, 9971720, 19943440, 39886880]

約数ペア:

[(1, 39886880), (2, 19943440), (4, 9971720), (5, 7977376), (8, 4985860), (10, 3988688), (11, 3626080), (16, 2492930), (20, 1994344), (22, 1813040), (32, 1246465), (40, 997172), (44, 906520), (55, 725216), (80, 498586), (88, 453260), (110, 362608), (131, 304480), (160, 249293), (173, 230560), (176, 226630), (220, 181304), (262, 152240), (346, 115280), (352, 113315), (440, 90652), (524, 76120), (655, 60896), (692, 57640), (865, 46112), (880, 45326), (1048, 38060), (1310, 30448), (1384, 28820), (1441, 27680), (1730, 23056), (1760, 22663), (1903, 20960), (2096, 19030), (2620, 15224), (2768, 14410), (2882, 13840), (3460, 11528), (3806, 10480), (4192, 9515), (5240, 7612), (5536, 7205), (5764, 6920)]