26110420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 62955648

約数和(自身を除く): 36845228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 443, 842, 886, 1684, 1772, 2105, 2215, 2947, 3101, 4210, 4430, 5894, 6202, 8420, 8860, 11788, 12404, 14735, 15505, 29470, 31010, 58940, 62020, 186503, 373006, 746012, 932515, 1305521, 1865030, 2611042, 3730060, 5222084, 6527605, 13055210, 26110420]

約数ペア:

[(1, 26110420), (2, 13055210), (4, 6527605), (5, 5222084), (7, 3730060), (10, 2611042), (14, 1865030), (20, 1305521), (28, 932515), (35, 746012), (70, 373006), (140, 186503), (421, 62020), (443, 58940), (842, 31010), (886, 29470), (1684, 15505), (1772, 14735), (2105, 12404), (2215, 11788), (2947, 8860), (3101, 8420), (4210, 6202), (4430, 5894)]