261010320640

素因数分解:

$2^8\times 5^1\times {\mathrm{203914313}}^1$

素因数の和:203914334

約数の個数: 36

約数和(自身を含む): 625201286724

約数和(自身を除く): 364190966084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 203914313, 407828626, 815657252, 1019571565, 1631314504, 2039143130, 3262629008, 4078286260, 6525258016, 8156572520, 13050516032, 16313145040, 26101032064, 32626290080, 52202064128, 65252580160, 130505160320, 261010320640]

約数ペア:

[(1, 261010320640), (2, 130505160320), (4, 65252580160), (5, 52202064128), (8, 32626290080), (10, 26101032064), (16, 16313145040), (20, 13050516032), (32, 8156572520), (40, 6525258016), (64, 4078286260), (80, 3262629008), (128, 2039143130), (160, 1631314504), (256, 1019571565), (320, 815657252), (640, 407828626), (1280, 203914313)]