40338688

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 98896896

約数和(自身を除く): 58558208

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 31, 32, 34, 46, 52, 62, 64, 68, 92, 104, 124, 128, 136, 184, 208, 221, 248, 256, 272, 299, 368, 391, 403, 416, 442, 496, 527, 544, 598, 713, 736, 782, 806, 832, 884, 992, 1054, 1088, 1196, 1426, 1472, 1564, 1612, 1664, 1768, 1984, 2108, 2176, 2392, 2852, 2944, 3128, 3224, 3328, 3536, 3968, 4216, 4352, 4784, 5083, 5704, 5888, 6256, 6448, 6851, 7072, 7936, 8432, 9269, 9568, 10166, 11408, 12121, 12512, 12896, 13702, 14144, 16864, 18538, 19136, 20332, 22816, 24242, 25024, 25792, 27404, 28288, 33728, 37076, 38272, 40664, 45632, 48484, 50048, 51584, 54808, 56576, 67456, 74152, 76544, 81328, 91264, 96968, 100096, 103168, 109616, 134912, 148304, 157573, 162656, 182528, 193936, 219232, 296608, 315146, 325312, 387872, 438464, 593216, 630292, 650624, 775744, 876928, 1186432, 1260584, 1301248, 1551488, 1753856, 2372864, 2521168, 3102976, 5042336, 10084672, 20169344, 40338688]

約数ペア:

[(1, 40338688), (2, 20169344), (4, 10084672), (8, 5042336), (13, 3102976), (16, 2521168), (17, 2372864), (23, 1753856), (26, 1551488), (31, 1301248), (32, 1260584), (34, 1186432), (46, 876928), (52, 775744), (62, 650624), (64, 630292), (68, 593216), (92, 438464), (104, 387872), (124, 325312), (128, 315146), (136, 296608), (184, 219232), (208, 193936), (221, 182528), (248, 162656), (256, 157573), (272, 148304), (299, 134912), (368, 109616), (391, 103168), (403, 100096), (416, 96968), (442, 91264), (496, 81328), (527, 76544), (544, 74152), (598, 67456), (713, 56576), (736, 54808), (782, 51584), (806, 50048), (832, 48484), (884, 45632), (992, 40664), (1054, 38272), (1088, 37076), (1196, 33728), (1426, 28288), (1472, 27404), (1564, 25792), (1612, 25024), (1664, 24242), (1768, 22816), (1984, 20332), (2108, 19136), (2176, 18538), (2392, 16864), (2852, 14144), (2944, 13702), (3128, 12896), (3224, 12512), (3328, 12121), (3536, 11408), (3968, 10166), (4216, 9568), (4352, 9269), (4784, 8432), (5083, 7936), (5704, 7072), (5888, 6851), (6256, 6448)]