26248540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 31207460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 449, 740, 790, 898, 1580, 1796, 2245, 2923, 4490, 5846, 8980, 11692, 14615, 16613, 29230, 33226, 35471, 58460, 66452, 70942, 83065, 141884, 166130, 177355, 332260, 354710, 709420, 1312427, 2624854, 5249708, 6562135, 13124270, 26248540]

約数ペア:

[(1, 26248540), (2, 13124270), (4, 6562135), (5, 5249708), (10, 2624854), (20, 1312427), (37, 709420), (74, 354710), (79, 332260), (148, 177355), (158, 166130), (185, 141884), (316, 83065), (370, 70942), (395, 66452), (449, 58460), (740, 35471), (790, 33226), (898, 29230), (1580, 16613), (1796, 14615), (2245, 11692), (2923, 8980), (4490, 5846)]