4080256

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 8225280

約数和(自身を除く): 4145024

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 251, 254, 502, 508, 1004, 1016, 2008, 2032, 4016, 4064, 8032, 8128, 16064, 16256, 31877, 32128, 63754, 127508, 255016, 510032, 1020064, 2040128, 4080256]

約数ペア:

[(1, 4080256), (2, 2040128), (4, 1020064), (8, 510032), (16, 255016), (32, 127508), (64, 63754), (127, 32128), (128, 31877), (251, 16256), (254, 16064), (502, 8128), (508, 8032), (1004, 4064), (1016, 4016), (2008, 2032)]