88882020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4889}}^1$

素因数の和:5005

約数の個数: 72

約数和(自身を含む): 272333880

約数和(自身を除く): 183451860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 4889, 6060, 9090, 9778, 14667, 18180, 19556, 24445, 29334, 44001, 48890, 58668, 73335, 88002, 97780, 146670, 176004, 220005, 293340, 440010, 493789, 880020, 987578, 1481367, 1975156, 2468945, 2962734, 4444101, 4937890, 5925468, 7406835, 8888202, 9875780, 14813670, 17776404, 22220505, 29627340, 44441010, 88882020]

約数ペア:

[(1, 88882020), (2, 44441010), (3, 29627340), (4, 22220505), (5, 17776404), (6, 14813670), (9, 9875780), (10, 8888202), (12, 7406835), (15, 5925468), (18, 4937890), (20, 4444101), (30, 2962734), (36, 2468945), (45, 1975156), (60, 1481367), (90, 987578), (101, 880020), (180, 493789), (202, 440010), (303, 293340), (404, 220005), (505, 176004), (606, 146670), (909, 97780), (1010, 88002), (1212, 73335), (1515, 58668), (1818, 48890), (2020, 44001), (3030, 29334), (3636, 24445), (4545, 19556), (4889, 18180), (6060, 14667), (9090, 9778)]