40957696

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 91113344

約数和(自身を除く): 50155648

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 397, 403, 416, 496, 794, 806, 832, 992, 1588, 1612, 1664, 1984, 3176, 3224, 3328, 3968, 5161, 6352, 6448, 7936, 10322, 12307, 12704, 12896, 20644, 24614, 25408, 25792, 41288, 49228, 50816, 51584, 82576, 98456, 101632, 103168, 159991, 165152, 196912, 319982, 330304, 393824, 639964, 660608, 787648, 1279928, 1321216, 1575296, 2559856, 3150592, 5119712, 10239424, 20478848, 40957696]

約数ペア:

[(1, 40957696), (2, 20478848), (4, 10239424), (8, 5119712), (13, 3150592), (16, 2559856), (26, 1575296), (31, 1321216), (32, 1279928), (52, 787648), (62, 660608), (64, 639964), (104, 393824), (124, 330304), (128, 319982), (208, 196912), (248, 165152), (256, 159991), (397, 103168), (403, 101632), (416, 98456), (496, 82576), (794, 51584), (806, 50816), (832, 49228), (992, 41288), (1588, 25792), (1612, 25408), (1664, 24614), (1984, 20644), (3176, 12896), (3224, 12704), (3328, 12307), (3968, 10322), (5161, 7936), (6352, 6448)]