16400128

素因数分解:

$2^8\times {\mathrm{64063}}^1$

素因数の和:64079

約数の個数: 18

約数和(自身を含む): 32736704

約数和(自身を除く): 16336576

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 64063, 128126, 256252, 512504, 1025008, 2050016, 4100032, 8200064, 16400128]

約数ペア:

[(1, 16400128), (2, 8200064), (4, 4100032), (8, 2050016), (16, 1025008), (32, 512504), (64, 256252), (128, 128126), (256, 64063)]