61788640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9419}}^1$

素因数の和:9475

約数の個数: 48

約数和(自身を含む): 149551920

約数和(自身を除く): 87763280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 9419, 18838, 37676, 47095, 75352, 94190, 150704, 188380, 301408, 376760, 386179, 753520, 772358, 1507040, 1544716, 1930895, 3089432, 3861790, 6178864, 7723580, 12357728, 15447160, 30894320, 61788640]

約数ペア:

[(1, 61788640), (2, 30894320), (4, 15447160), (5, 12357728), (8, 7723580), (10, 6178864), (16, 3861790), (20, 3089432), (32, 1930895), (40, 1544716), (41, 1507040), (80, 772358), (82, 753520), (160, 386179), (164, 376760), (205, 301408), (328, 188380), (410, 150704), (656, 94190), (820, 75352), (1312, 47095), (1640, 37676), (3280, 18838), (6560, 9419)]