40948648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 97977600

約数和(自身を除く): 57028952

約数列:

[1, 2, 4, 8, 13, 17, 19, 23, 26, 34, 38, 46, 52, 53, 68, 76, 92, 104, 106, 136, 152, 184, 212, 221, 247, 299, 323, 391, 424, 437, 442, 494, 598, 646, 689, 782, 874, 884, 901, 988, 1007, 1196, 1219, 1292, 1378, 1564, 1748, 1768, 1802, 1976, 2014, 2392, 2438, 2584, 2756, 3128, 3496, 3604, 4028, 4199, 4876, 5083, 5512, 5681, 7208, 7429, 8056, 8398, 9752, 10166, 11362, 11713, 13091, 14858, 15847, 16796, 17119, 20332, 20723, 22724, 23161, 23426, 26182, 29716, 31694, 33592, 34238, 40664, 41446, 45448, 46322, 46852, 52364, 59432, 63388, 68476, 82892, 92644, 93704, 96577, 104728, 126776, 136952, 165784, 185288, 193154, 222547, 269399, 301093, 386308, 393737, 445094, 538798, 602186, 772616, 787474, 890188, 1077596, 1204372, 1574948, 1780376, 2155192, 2408744, 3149896, 5118581, 10237162, 20474324, 40948648]

約数ペア:

[(1, 40948648), (2, 20474324), (4, 10237162), (8, 5118581), (13, 3149896), (17, 2408744), (19, 2155192), (23, 1780376), (26, 1574948), (34, 1204372), (38, 1077596), (46, 890188), (52, 787474), (53, 772616), (68, 602186), (76, 538798), (92, 445094), (104, 393737), (106, 386308), (136, 301093), (152, 269399), (184, 222547), (212, 193154), (221, 185288), (247, 165784), (299, 136952), (323, 126776), (391, 104728), (424, 96577), (437, 93704), (442, 92644), (494, 82892), (598, 68476), (646, 63388), (689, 59432), (782, 52364), (874, 46852), (884, 46322), (901, 45448), (988, 41446), (1007, 40664), (1196, 34238), (1219, 33592), (1292, 31694), (1378, 29716), (1564, 26182), (1748, 23426), (1768, 23161), (1802, 22724), (1976, 20723), (2014, 20332), (2392, 17119), (2438, 16796), (2584, 15847), (2756, 14858), (3128, 13091), (3496, 11713), (3604, 11362), (4028, 10166), (4199, 9752), (4876, 8398), (5083, 8056), (5512, 7429), (5681, 7208)]