81479030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4421}}^1$

素因数の和:4544

約数の個数: 32

約数和(自身を含む): 156008160

約数和(自身を除く): 74529130

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1843, 3686, 4421, 8842, 9215, 18430, 22105, 44210, 83999, 167998, 419995, 428837, 839990, 857674, 2144185, 4288370, 8147903, 16295806, 40739515, 81479030]

約数ペア:

[(1, 81479030), (2, 40739515), (5, 16295806), (10, 8147903), (19, 4288370), (38, 2144185), (95, 857674), (97, 839990), (190, 428837), (194, 419995), (485, 167998), (970, 83999), (1843, 44210), (3686, 22105), (4421, 18430), (8842, 9215)]