65316140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 143101728

約数和(自身を除く): 77785588

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1433, 2279, 2866, 4558, 5732, 7165, 9116, 11395, 14330, 22790, 28660, 45580, 61619, 75949, 123238, 151898, 246476, 303796, 308095, 379745, 616190, 759490, 1232380, 1518980, 3265807, 6531614, 13063228, 16329035, 32658070, 65316140]

約数ペア:

[(1, 65316140), (2, 32658070), (4, 16329035), (5, 13063228), (10, 6531614), (20, 3265807), (43, 1518980), (53, 1232380), (86, 759490), (106, 616190), (172, 379745), (212, 308095), (215, 303796), (265, 246476), (430, 151898), (530, 123238), (860, 75949), (1060, 61619), (1433, 45580), (2279, 28660), (2866, 22790), (4558, 14330), (5732, 11395), (7165, 9116)]