40545008

素因数分解:

$2^4\times 7^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 90077568

約数和(自身を除く): 49532560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 563, 643, 1126, 1286, 2252, 2572, 3941, 4501, 4504, 5144, 7882, 9002, 9008, 10288, 15764, 18004, 31528, 36008, 63056, 72016, 362009, 724018, 1448036, 2534063, 2896072, 5068126, 5792144, 10136252, 20272504, 40545008]

約数ペア:

[(1, 40545008), (2, 20272504), (4, 10136252), (7, 5792144), (8, 5068126), (14, 2896072), (16, 2534063), (28, 1448036), (56, 724018), (112, 362009), (563, 72016), (643, 63056), (1126, 36008), (1286, 31528), (2252, 18004), (2572, 15764), (3941, 10288), (4501, 9008), (4504, 9002), (5144, 7882)]