80145670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1873}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 157865760

約数和(自身を除く): 77720090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1873, 1945, 3746, 3890, 4279, 8558, 9365, 18730, 20603, 21395, 41206, 42790, 103015, 206030, 728597, 1457194, 3642985, 7285970, 8014567, 16029134, 40072835, 80145670]

約数ペア:

[(1, 80145670), (2, 40072835), (5, 16029134), (10, 8014567), (11, 7285970), (22, 3642985), (55, 1457194), (110, 728597), (389, 206030), (778, 103015), (1873, 42790), (1945, 41206), (3746, 21395), (3890, 20603), (4279, 18730), (8558, 9365)]