26311510

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 48470400

約数和(自身を除く): 22158890

約数列:

[1, 2, 5, 10, 101, 109, 202, 218, 239, 478, 505, 545, 1010, 1090, 1195, 2390, 11009, 22018, 24139, 26051, 48278, 52102, 55045, 110090, 120695, 130255, 241390, 260510, 2631151, 5262302, 13155755, 26311510]

約数ペア:

[(1, 26311510), (2, 13155755), (5, 5262302), (10, 2631151), (101, 260510), (109, 241390), (202, 130255), (218, 120695), (239, 110090), (478, 55045), (505, 52102), (545, 48278), (1010, 26051), (1090, 24139), (1195, 22018), (2390, 11009)]