26859980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 64895040

約数和(自身を除く): 38035060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1109, 1211, 1730, 2218, 2422, 3460, 4436, 4844, 5545, 6055, 7763, 11090, 12110, 15526, 22180, 24220, 31052, 38815, 77630, 155260, 191857, 383714, 767428, 959285, 1342999, 1918570, 2685998, 3837140, 5371996, 6714995, 13429990, 26859980]

約数ペア:

[(1, 26859980), (2, 13429990), (4, 6714995), (5, 5371996), (7, 3837140), (10, 2685998), (14, 1918570), (20, 1342999), (28, 959285), (35, 767428), (70, 383714), (140, 191857), (173, 155260), (346, 77630), (692, 38815), (865, 31052), (1109, 24220), (1211, 22180), (1730, 15526), (2218, 12110), (2422, 11090), (3460, 7763), (4436, 6055), (4844, 5545)]