40820864

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1621

約数の個数: 64

約数和(自身を含む): 96206400

約数和(自身を除く): 55385536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1571, 1624, 1856, 3142, 3248, 3712, 6284, 6496, 10997, 12568, 12992, 21994, 25136, 25984, 43988, 45559, 50272, 87976, 91118, 100544, 175952, 182236, 201088, 318913, 351904, 364472, 637826, 703808, 728944, 1275652, 1407616, 1457888, 2551304, 2915776, 5102608, 5831552, 10205216, 20410432, 40820864]

約数ペア:

[(1, 40820864), (2, 20410432), (4, 10205216), (7, 5831552), (8, 5102608), (14, 2915776), (16, 2551304), (28, 1457888), (29, 1407616), (32, 1275652), (56, 728944), (58, 703808), (64, 637826), (112, 364472), (116, 351904), (128, 318913), (203, 201088), (224, 182236), (232, 175952), (406, 100544), (448, 91118), (464, 87976), (812, 50272), (896, 45559), (928, 43988), (1571, 25984), (1624, 25136), (1856, 21994), (3142, 12992), (3248, 12568), (3712, 10997), (6284, 6496)]