40947968

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{97}}^2$

素因数の和:227

約数の個数: 54

約数和(自身を含む): 87445386

約数和(自身を除く): 46497418

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 97, 128, 136, 194, 256, 272, 388, 544, 776, 1088, 1552, 1649, 2176, 3104, 3298, 4352, 6208, 6596, 9409, 12416, 13192, 18818, 24832, 26384, 37636, 52768, 75272, 105536, 150544, 159953, 211072, 301088, 319906, 422144, 602176, 639812, 1204352, 1279624, 2408704, 2559248, 5118496, 10236992, 20473984, 40947968]

約数ペア:

[(1, 40947968), (2, 20473984), (4, 10236992), (8, 5118496), (16, 2559248), (17, 2408704), (32, 1279624), (34, 1204352), (64, 639812), (68, 602176), (97, 422144), (128, 319906), (136, 301088), (194, 211072), (256, 159953), (272, 150544), (388, 105536), (544, 75272), (776, 52768), (1088, 37636), (1552, 26384), (1649, 24832), (2176, 18818), (3104, 13192), (3298, 12416), (4352, 9409), (6208, 6596)]