131679520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{117571}}^1$

素因数の和:117593

約数の個数: 48

約数和(自身を含む): 355537728

約数和(自身を除く): 223858208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 117571, 235142, 470284, 587855, 822997, 940568, 1175710, 1645994, 1881136, 2351420, 3291988, 3762272, 4114985, 4702840, 6583976, 8229970, 9405680, 13167952, 16459940, 18811360, 26335904, 32919880, 65839760, 131679520]

約数ペア:

[(1, 131679520), (2, 65839760), (4, 32919880), (5, 26335904), (7, 18811360), (8, 16459940), (10, 13167952), (14, 9405680), (16, 8229970), (20, 6583976), (28, 4702840), (32, 4114985), (35, 3762272), (40, 3291988), (56, 2351420), (70, 1881136), (80, 1645994), (112, 1175710), (140, 940568), (160, 822997), (224, 587855), (280, 470284), (560, 235142), (1120, 117571)]