80257660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7853}}^1$

素因数の和:7942

約数の個数: 48

約数和(自身を含む): 195281856

約数和(自身を除く): 115024196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7853, 10220, 15706, 31412, 39265, 54971, 78530, 109942, 157060, 219884, 274855, 549710, 573269, 1099420, 1146538, 2293076, 2866345, 4012883, 5732690, 8025766, 11465380, 16051532, 20064415, 40128830, 80257660]

約数ペア:

[(1, 80257660), (2, 40128830), (4, 20064415), (5, 16051532), (7, 11465380), (10, 8025766), (14, 5732690), (20, 4012883), (28, 2866345), (35, 2293076), (70, 1146538), (73, 1099420), (140, 573269), (146, 549710), (292, 274855), (365, 219884), (511, 157060), (730, 109942), (1022, 78530), (1460, 54971), (2044, 39265), (2555, 31412), (5110, 15706), (7853, 10220)]