65839760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117571}}^1$

素因数の和:117591

約数の個数: 40

約数和(自身を含む): 174947136

約数和(自身を除く): 109107376

約数列:

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

約数ペア:

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