80523040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38713}}^1$

素因数の和:38741

約数の個数: 48

約数和(自身を含む): 204874488

約数和(自身を除く): 124351448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38713, 77426, 154852, 193565, 309704, 387130, 503269, 619408, 774260, 1006538, 1238816, 1548520, 2013076, 2516345, 3097040, 4026152, 5032690, 6194080, 8052304, 10065380, 16104608, 20130760, 40261520, 80523040]

約数ペア:

[(1, 80523040), (2, 40261520), (4, 20130760), (5, 16104608), (8, 10065380), (10, 8052304), (13, 6194080), (16, 5032690), (20, 4026152), (26, 3097040), (32, 2516345), (40, 2013076), (52, 1548520), (65, 1238816), (80, 1006538), (104, 774260), (130, 619408), (160, 503269), (208, 387130), (260, 309704), (416, 193565), (520, 154852), (1040, 77426), (2080, 38713)]