87891160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313897}}^1$

素因数の和:313915

約数の個数: 32

約数和(自身を含む): 226006560

約数和(自身を除く): 138115400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313897, 627794, 1255588, 1569485, 2197279, 2511176, 3138970, 4394558, 6277940, 8789116, 10986395, 12555880, 17578232, 21972790, 43945580, 87891160]

約数ペア:

[(1, 87891160), (2, 43945580), (4, 21972790), (5, 17578232), (7, 12555880), (8, 10986395), (10, 8789116), (14, 6277940), (20, 4394558), (28, 3138970), (35, 2511176), (40, 2197279), (56, 1569485), (70, 1255588), (140, 627794), (280, 313897)]