40470128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 81661440

約数和(自身を除く): 41191312

約数列:

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

約数ペア:

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