40818544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 90306720

約数和(自身を除く): 49488176

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 67, 101, 104, 116, 134, 202, 208, 232, 268, 377, 404, 464, 536, 754, 808, 871, 1072, 1313, 1508, 1616, 1742, 1943, 2626, 2929, 3016, 3484, 3886, 5252, 5858, 6032, 6767, 6968, 7772, 10504, 11716, 13534, 13936, 15544, 21008, 23432, 25259, 27068, 31088, 38077, 46864, 50518, 54136, 76154, 87971, 101036, 108272, 152308, 175942, 196243, 202072, 304616, 351884, 392486, 404144, 609232, 703768, 784972, 1407536, 1569944, 2551159, 3139888, 5102318, 10204636, 20409272, 40818544]

約数ペア:

[(1, 40818544), (2, 20409272), (4, 10204636), (8, 5102318), (13, 3139888), (16, 2551159), (26, 1569944), (29, 1407536), (52, 784972), (58, 703768), (67, 609232), (101, 404144), (104, 392486), (116, 351884), (134, 304616), (202, 202072), (208, 196243), (232, 175942), (268, 152308), (377, 108272), (404, 101036), (464, 87971), (536, 76154), (754, 54136), (808, 50518), (871, 46864), (1072, 38077), (1313, 31088), (1508, 27068), (1616, 25259), (1742, 23432), (1943, 21008), (2626, 15544), (2929, 13936), (3016, 13534), (3484, 11716), (3886, 10504), (5252, 7772), (5858, 6968), (6032, 6767)]