71540840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255503}}^1$

素因数の和:255521

約数の個数: 32

約数和(自身を含む): 183962880

約数和(自身を除く): 112422040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255503, 511006, 1022012, 1277515, 1788521, 2044024, 2555030, 3577042, 5110060, 7154084, 8942605, 10220120, 14308168, 17885210, 35770420, 71540840]

約数ペア:

[(1, 71540840), (2, 35770420), (4, 17885210), (5, 14308168), (7, 10220120), (8, 8942605), (10, 7154084), (14, 5110060), (20, 3577042), (28, 2555030), (35, 2044024), (40, 1788521), (56, 1277515), (70, 1022012), (140, 511006), (280, 255503)]