40016128

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 54

約数和(自身を含む): 84495894

約数和(自身を除く): 44479766

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 361, 433, 608, 722, 866, 1216, 1444, 1732, 2432, 2888, 3464, 4864, 5776, 6928, 8227, 11552, 13856, 16454, 23104, 27712, 32908, 46208, 55424, 65816, 92416, 110848, 131632, 156313, 263264, 312626, 526528, 625252, 1053056, 1250504, 2106112, 2501008, 5002016, 10004032, 20008064, 40016128]

約数ペア:

[(1, 40016128), (2, 20008064), (4, 10004032), (8, 5002016), (16, 2501008), (19, 2106112), (32, 1250504), (38, 1053056), (64, 625252), (76, 526528), (128, 312626), (152, 263264), (256, 156313), (304, 131632), (361, 110848), (433, 92416), (608, 65816), (722, 55424), (866, 46208), (1216, 32908), (1444, 27712), (1732, 23104), (2432, 16454), (2888, 13856), (3464, 11552), (4864, 8227), (5776, 6928)]