3965120

素因数分解:

$2^6\times 5^1\times {\mathrm{12391}}^1$

素因数の和:12408

約数の個数: 28

約数和(自身を含む): 9442704

約数和(自身を除く): 5477584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 12391, 24782, 49564, 61955, 99128, 123910, 198256, 247820, 396512, 495640, 793024, 991280, 1982560, 3965120]

約数ペア:

[(1, 3965120), (2, 1982560), (4, 991280), (5, 793024), (8, 495640), (10, 396512), (16, 247820), (20, 198256), (32, 123910), (40, 99128), (64, 61955), (80, 49564), (160, 24782), (320, 12391)]