157377680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47981}}^1$

素因数の和:48035

約数の個数: 40

約数和(自身を含む): 374835384

約数和(自身を除く): 217457704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 47981, 95962, 191924, 239905, 383848, 479810, 767696, 959620, 1919240, 1967221, 3838480, 3934442, 7868884, 9836105, 15737768, 19672210, 31475536, 39344420, 78688840, 157377680]

約数ペア:

[(1, 157377680), (2, 78688840), (4, 39344420), (5, 31475536), (8, 19672210), (10, 15737768), (16, 9836105), (20, 7868884), (40, 3934442), (41, 3838480), (80, 1967221), (82, 1919240), (164, 959620), (205, 767696), (328, 479810), (410, 383848), (656, 239905), (820, 191924), (1640, 95962), (3280, 47981)]