66699920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119107}}^1$

素因数の和:119127

約数の個数: 40

約数和(自身を含む): 177232704

約数和(自身を除く): 110532784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119107, 238214, 476428, 595535, 833749, 952856, 1191070, 1667498, 1905712, 2382140, 3334996, 4168745, 4764280, 6669992, 8337490, 9528560, 13339984, 16674980, 33349960, 66699920]

約数ペア:

[(1, 66699920), (2, 33349960), (4, 16674980), (5, 13339984), (7, 9528560), (8, 8337490), (10, 6669992), (14, 4764280), (16, 4168745), (20, 3334996), (28, 2382140), (35, 1905712), (40, 1667498), (56, 1191070), (70, 952856), (80, 833749), (112, 595535), (140, 476428), (280, 238214), (560, 119107)]