15693749140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1627}}^1\times {\mathrm{5419}}^1$

素因数の和:7144

約数の個数: 48

約数和(自身を含む): 33353812800

約数和(自身を除く): 17660063660

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1627, 1780, 3254, 5419, 6508, 8135, 10838, 16270, 21676, 27095, 32540, 54190, 108380, 144803, 289606, 482291, 579212, 724015, 964582, 1448030, 1929164, 2411455, 2896060, 4822910, 8816713, 9645820, 17633426, 35266852, 44083565, 88167130, 176334260, 784687457, 1569374914, 3138749828, 3923437285, 7846874570, 15693749140]

約数ペア:

[(1, 15693749140), (2, 7846874570), (4, 3923437285), (5, 3138749828), (10, 1569374914), (20, 784687457), (89, 176334260), (178, 88167130), (356, 44083565), (445, 35266852), (890, 17633426), (1627, 9645820), (1780, 8816713), (3254, 4822910), (5419, 2896060), (6508, 2411455), (8135, 1929164), (10838, 1448030), (16270, 964582), (21676, 724015), (27095, 579212), (32540, 482291), (54190, 289606), (108380, 144803)]