61742840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35897}}^1$

素因数の和:35951

約数の個数: 32

約数和(自身を含む): 142156080

約数和(自身を除く): 80413240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 35897, 71794, 143588, 179485, 287176, 358970, 717940, 1435880, 1543571, 3087142, 6174284, 7717855, 12348568, 15435710, 30871420, 61742840]

約数ペア:

[(1, 61742840), (2, 30871420), (4, 15435710), (5, 12348568), (8, 7717855), (10, 6174284), (20, 3087142), (40, 1543571), (43, 1435880), (86, 717940), (172, 358970), (215, 287176), (344, 179485), (430, 143588), (860, 71794), (1720, 35897)]