1275450140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{3803}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 2751204960

約数和(自身を除く): 1475754820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 409, 410, 818, 820, 1636, 2045, 3803, 4090, 7606, 8180, 15212, 16769, 19015, 33538, 38030, 67076, 76060, 83845, 155923, 167690, 311846, 335380, 623692, 779615, 1555427, 1559230, 3110854, 3118460, 6221708, 7777135, 15554270, 31108540, 63772507, 127545014, 255090028, 318862535, 637725070, 1275450140]

約数ペア:

[(1, 1275450140), (2, 637725070), (4, 318862535), (5, 255090028), (10, 127545014), (20, 63772507), (41, 31108540), (82, 15554270), (164, 7777135), (205, 6221708), (409, 3118460), (410, 3110854), (818, 1559230), (820, 1555427), (1636, 779615), (2045, 623692), (3803, 335380), (4090, 311846), (7606, 167690), (8180, 155923), (15212, 83845), (16769, 76060), (19015, 67076), (33538, 38030)]