80940256

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 165957120

約数和(自身を除く): 85016864

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 139, 248, 278, 496, 556, 587, 992, 1112, 1174, 2224, 2348, 4309, 4448, 4696, 8618, 9392, 17236, 18197, 18784, 34472, 36394, 68944, 72788, 81593, 137888, 145576, 163186, 291152, 326372, 582304, 652744, 1305488, 2529383, 2610976, 5058766, 10117532, 20235064, 40470128, 80940256]

約数ペア:

[(1, 80940256), (2, 40470128), (4, 20235064), (8, 10117532), (16, 5058766), (31, 2610976), (32, 2529383), (62, 1305488), (124, 652744), (139, 582304), (248, 326372), (278, 291152), (496, 163186), (556, 145576), (587, 137888), (992, 81593), (1112, 72788), (1174, 68944), (2224, 36394), (2348, 34472), (4309, 18784), (4448, 18197), (4696, 17236), (8618, 9392)]