80392640

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8663}}^1$

素因数の和:8709

約数の個数: 56

約数和(自身を含む): 198059040

約数和(自身を除く): 117666400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 8663, 9280, 17326, 34652, 43315, 69304, 86630, 138608, 173260, 251227, 277216, 346520, 502454, 554432, 693040, 1004908, 1256135, 1386080, 2009816, 2512270, 2772160, 4019632, 5024540, 8039264, 10049080, 16078528, 20098160, 40196320, 80392640]

約数ペア:

[(1, 80392640), (2, 40196320), (4, 20098160), (5, 16078528), (8, 10049080), (10, 8039264), (16, 5024540), (20, 4019632), (29, 2772160), (32, 2512270), (40, 2009816), (58, 1386080), (64, 1256135), (80, 1004908), (116, 693040), (145, 554432), (160, 502454), (232, 346520), (290, 277216), (320, 251227), (464, 173260), (580, 138608), (928, 86630), (1160, 69304), (1856, 43315), (2320, 34652), (4640, 17326), (8663, 9280)]