26231720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 61395840

約数和(自身を除く): 35164120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 151, 172, 202, 215, 302, 344, 404, 430, 505, 604, 755, 808, 860, 1010, 1208, 1510, 1720, 2020, 3020, 4040, 4343, 6040, 6493, 8686, 12986, 15251, 17372, 21715, 25972, 30502, 32465, 34744, 43430, 51944, 61004, 64930, 76255, 86860, 122008, 129860, 152510, 173720, 259720, 305020, 610040, 655793, 1311586, 2623172, 3278965, 5246344, 6557930, 13115860, 26231720]

約数ペア:

[(1, 26231720), (2, 13115860), (4, 6557930), (5, 5246344), (8, 3278965), (10, 2623172), (20, 1311586), (40, 655793), (43, 610040), (86, 305020), (101, 259720), (151, 173720), (172, 152510), (202, 129860), (215, 122008), (302, 86860), (344, 76255), (404, 64930), (430, 61004), (505, 51944), (604, 43430), (755, 34744), (808, 32465), (860, 30502), (1010, 25972), (1208, 21715), (1510, 17372), (1720, 15251), (2020, 12986), (3020, 8686), (4040, 6493), (4343, 6040)]