13115860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 28651392

約数和(自身を除く): 15535532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 151, 172, 202, 215, 302, 404, 430, 505, 604, 755, 860, 1010, 1510, 2020, 3020, 4343, 6493, 8686, 12986, 15251, 17372, 21715, 25972, 30502, 32465, 43430, 61004, 64930, 76255, 86860, 129860, 152510, 305020, 655793, 1311586, 2623172, 3278965, 6557930, 13115860]

約数ペア:

[(1, 13115860), (2, 6557930), (4, 3278965), (5, 2623172), (10, 1311586), (20, 655793), (43, 305020), (86, 152510), (101, 129860), (151, 86860), (172, 76255), (202, 64930), (215, 61004), (302, 43430), (404, 32465), (430, 30502), (505, 25972), (604, 21715), (755, 17372), (860, 15251), (1010, 12986), (1510, 8686), (2020, 6493), (3020, 4343)]